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Finding the Fourth Proportional to 102,078,452,847.70, 153,117,679,271.55 and 102,078,452,847.70

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Solution

The fourth proportional to 102,078,452,847.70, 153,117,679,271.55 and 102,078,452,847.70 is: 153,117,679,271.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,078,452,847.70 : 153,117,679,271.55 = 102,078,452,847.70 : x
  2. Step 2: Convert to fraction form
    102,078,452,847.70/153,117,679,271.55 = 102,078,452,847.70/x
  3. Step 3: Cross multiply
    102,078,452,847.70x = 153,117,679,271.55 × 102,078,452,847.70
  4. Step 4: Simplify right side
    102,078,452,847.70x = 15,630,015,803,670,166,241,280
  5. Step 5: Solve for x
    x = 15,630,015,803,670,166,241,280/102,078,452,847.70
  6. Step 6: Final answer
    x = 153,117,679,271.55

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.