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Finding the Fourth Proportional to 125,272.80, 187,917.96 and 50,393.34

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Solution

The fourth proportional to 125,272.80, 187,917.96 and 50,393.34 is: 75,593.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,272.80 : 187,917.96 = 50,393.34 : x
  2. Step 2: Convert to fraction form
    125,272.80/187,917.96 = 50,393.34/x
  3. Step 3: Cross multiply
    125,272.80x = 187,917.96 × 50,393.34
  4. Step 4: Simplify right side
    125,272.80x = 9,469,813,650.39
  5. Step 5: Solve for x
    x = 9,469,813,650.39/125,272.80
  6. Step 6: Final answer
    x = 75,593.53

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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.