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Finding the Fourth Proportional to 337,645.92, 506,281.88 and 138,106.42

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Solution

The fourth proportional to 337,645.92, 506,281.88 and 138,106.42 is: 207,083.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,645.92 : 506,281.88 = 138,106.42 : x
  2. Step 2: Convert to fraction form
    337,645.92/506,281.88 = 138,106.42/x
  3. Step 3: Cross multiply
    337,645.92x = 506,281.88 × 138,106.42
  4. Step 4: Simplify right side
    337,645.92x = 69,920,777,957.67
  5. Step 5: Solve for x
    x = 69,920,777,957.67/337,645.92
  6. Step 6: Final answer
    x = 207,083.14

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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.