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Finding the Fourth Proportional to 361,850.60, 542,825.46 and 125,129.72

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Solution

The fourth proportional to 361,850.60, 542,825.46 and 125,129.72 is: 187,711.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,850.60 : 542,825.46 = 125,129.72 : x
  2. Step 2: Convert to fraction form
    361,850.60/542,825.46 = 125,129.72/x
  3. Step 3: Cross multiply
    361,850.60x = 542,825.46 × 125,129.72
  4. Step 4: Simplify right side
    361,850.60x = 67,923,597,818.67
  5. Step 5: Solve for x
    x = 67,923,597,818.67/361,850.60
  6. Step 6: Final answer
    x = 187,711.72

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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.