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Finding the Fourth Proportional to 337,662.08, 506,665.92 and 138,129.92

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Solution

The fourth proportional to 337,662.08, 506,665.92 and 138,129.92 is: 207,265.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,662.08 : 506,665.92 = 138,129.92 : x
  2. Step 2: Convert to fraction form
    337,662.08/506,665.92 = 138,129.92/x
  3. Step 3: Cross multiply
    337,662.08x = 506,665.92 × 138,129.92
  4. Step 4: Simplify right side
    337,662.08x = 69,985,722,996.33
  5. Step 5: Solve for x
    x = 69,985,722,996.33/337,662.08
  6. Step 6: Final answer
    x = 207,265.57

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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.