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Finding the Fourth Proportional to 361,793.74, 542,690.61 and 125,007.25

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Solution

The fourth proportional to 361,793.74, 542,690.61 and 125,007.25 is: 187,510.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,793.74 : 542,690.61 = 125,007.25 : x
  2. Step 2: Convert to fraction form
    361,793.74/542,690.61 = 125,007.25/x
  3. Step 3: Cross multiply
    361,793.74x = 542,690.61 × 125,007.25
  4. Step 4: Simplify right side
    361,793.74x = 67,840,260,300.55
  5. Step 5: Solve for x
    x = 67,840,260,300.55/361,793.74
  6. Step 6: Final answer
    x = 187,510.87

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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.