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Finding the Fourth Proportional to 252,099.64, 377,920.59 and 125,778.52

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Solution

The fourth proportional to 252,099.64, 377,920.59 and 125,778.52 is: 188,553.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,099.64 : 377,920.59 = 125,778.52 : x
  2. Step 2: Convert to fraction form
    252,099.64/377,920.59 = 125,778.52/x
  3. Step 3: Cross multiply
    252,099.64x = 377,920.59 × 125,778.52
  4. Step 4: Simplify right side
    252,099.64x = 47,534,292,487.73
  5. Step 5: Solve for x
    x = 47,534,292,487.73/252,099.64
  6. Step 6: Final answer
    x = 188,553.59

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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.