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Finding the Fourth Proportional to 337,662.14, 506,306.26 and 138,122.69

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Solution

The fourth proportional to 337,662.14, 506,306.26 and 138,122.69 is: 207,107.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,662.14 : 506,306.26 = 138,122.69 : x
  2. Step 2: Convert to fraction form
    337,662.14/506,306.26 = 138,122.69/x
  3. Step 3: Cross multiply
    337,662.14x = 506,306.26 × 138,122.69
  4. Step 4: Simplify right side
    337,662.14x = 69,932,380,236.16
  5. Step 5: Solve for x
    x = 69,932,380,236.16/337,662.14
  6. Step 6: Final answer
    x = 207,107.56

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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.