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Finding the Fourth Proportional to 361,793.86, 542,773.47 and 125,136.31

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Solution

The fourth proportional to 361,793.86, 542,773.47 and 125,136.31 is: 187,733.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,793.86 : 542,773.47 = 125,136.31 : x
  2. Step 2: Convert to fraction form
    361,793.86/542,773.47 = 125,136.31/x
  3. Step 3: Cross multiply
    361,793.86x = 542,773.47 × 125,136.31
  4. Step 4: Simplify right side
    361,793.86x = 67,920,669,201.70
  5. Step 5: Solve for x
    x = 67,920,669,201.70/361,793.86
  6. Step 6: Final answer
    x = 187,733.06

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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.