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Finding the Fourth Proportional to 95,969.94, 132,438.61 and 55,691.88

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Solution

The fourth proportional to 95,969.94, 132,438.61 and 55,691.88 is: 76,854.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,969.94 : 132,438.61 = 55,691.88 : x
  2. Step 2: Convert to fraction form
    95,969.94/132,438.61 = 55,691.88/x
  3. Step 3: Cross multiply
    95,969.94x = 132,438.61 × 55,691.88
  4. Step 4: Simplify right side
    95,969.94x = 7,375,755,175.49
  5. Step 5: Solve for x
    x = 7,375,755,175.49/95,969.94
  6. Step 6: Final answer
    x = 76,854.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.