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Finding the Fourth Proportional to 95,691.71, 143,568.30 and 29,144.72

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Solution

The fourth proportional to 95,691.71, 143,568.30 and 29,144.72 is: 43,726.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,691.71 : 143,568.30 = 29,144.72 : x
  2. Step 2: Convert to fraction form
    95,691.71/143,568.30 = 29,144.72/x
  3. Step 3: Cross multiply
    95,691.71x = 143,568.30 × 29,144.72
  4. Step 4: Simplify right side
    95,691.71x = 4,184,257,904.38
  5. Step 5: Solve for x
    x = 4,184,257,904.38/95,691.71
  6. Step 6: Final answer
    x = 43,726.44

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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.