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Finding the Fourth Proportional to 67,153,670.70, 100,730,506.05 and 67,153,670.70

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Solution

The fourth proportional to 67,153,670.70, 100,730,506.05 and 67,153,670.70 is: 100,730,506.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,153,670.70 : 100,730,506.05 = 67,153,670.70 : x
  2. Step 2: Convert to fraction form
    67,153,670.70/100,730,506.05 = 67,153,670.70/x
  3. Step 3: Cross multiply
    67,153,670.70x = 100,730,506.05 × 67,153,670.70
  4. Step 4: Simplify right side
    67,153,670.70x = 6,764,423,232,726,058
  5. Step 5: Solve for x
    x = 6,764,423,232,726,058/67,153,670.70
  6. Step 6: Final answer
    x = 100,730,506.05

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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.