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Finding the Fourth Proportional to 362,181.85, 542,940.17 and 125,358.91

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Solution

The fourth proportional to 362,181.85, 542,940.17 and 125,358.91 is: 187,923.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,181.85 : 542,940.17 = 125,358.91 : x
  2. Step 2: Convert to fraction form
    362,181.85/542,940.17 = 125,358.91/x
  3. Step 3: Cross multiply
    362,181.85x = 542,940.17 × 125,358.91
  4. Step 4: Simplify right side
    362,181.85x = 68,062,387,279.62
  5. Step 5: Solve for x
    x = 68,062,387,279.62/362,181.85
  6. Step 6: Final answer
    x = 187,923.24

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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.