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Finding the Fourth Proportional to 337,637.72, 506,269.61 and 138,098.22

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Solution

The fourth proportional to 337,637.72, 506,269.61 and 138,098.22 is: 207,070.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,637.72 : 506,269.61 = 138,098.22 : x
  2. Step 2: Convert to fraction form
    337,637.72/506,269.61 = 138,098.22/x
  3. Step 3: Cross multiply
    337,637.72x = 506,269.61 × 138,098.22
  4. Step 4: Simplify right side
    337,637.72x = 69,914,933,706.98
  5. Step 5: Solve for x
    x = 69,914,933,706.98/337,637.72
  6. Step 6: Final answer
    x = 207,070.87

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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.