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Finding the Fourth Proportional to 152,136.01, 228,201.18 and 45,520.03

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Solution

The fourth proportional to 152,136.01, 228,201.18 and 45,520.03 is: 68,279.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,136.01 : 228,201.18 = 45,520.03 : x
  2. Step 2: Convert to fraction form
    152,136.01/228,201.18 = 45,520.03/x
  3. Step 3: Cross multiply
    152,136.01x = 228,201.18 × 45,520.03
  4. Step 4: Simplify right side
    152,136.01x = 10,387,724,559.64
  5. Step 5: Solve for x
    x = 10,387,724,559.64/152,136.01
  6. Step 6: Final answer
    x = 68,279.20

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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.