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Finding the Fourth Proportional to 337,673.70, 506,323.53 and 138,134.16

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Solution

The fourth proportional to 337,673.70, 506,323.53 and 138,134.16 is: 207,124.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,673.70 : 506,323.53 = 138,134.16 : x
  2. Step 2: Convert to fraction form
    337,673.70/506,323.53 = 138,134.16/x
  3. Step 3: Cross multiply
    337,673.70x = 506,323.53 × 138,134.16
  4. Step 4: Simplify right side
    337,673.70x = 69,940,575,504.78
  5. Step 5: Solve for x
    x = 69,940,575,504.78/337,673.70
  6. Step 6: Final answer
    x = 207,124.73

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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.