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Finding the Fourth Proportional to 337,641.65, 506,275.52 and 138,102.18

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Solution

The fourth proportional to 337,641.65, 506,275.52 and 138,102.18 is: 207,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,641.65 : 506,275.52 = 138,102.18 : x
  2. Step 2: Convert to fraction form
    337,641.65/506,275.52 = 138,102.18/x
  3. Step 3: Cross multiply
    337,641.65x = 506,275.52 × 138,102.18
  4. Step 4: Simplify right side
    337,641.65x = 69,917,752,302.12
  5. Step 5: Solve for x
    x = 69,917,752,302.12/337,641.65
  6. Step 6: Final answer
    x = 207,076.80

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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.