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Finding the Fourth Proportional to 95,425.88, 143,138.82 and 29,761.88

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Solution

The fourth proportional to 95,425.88, 143,138.82 and 29,761.88 is: 44,642.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,425.88 : 143,138.82 = 29,761.88 : x
  2. Step 2: Convert to fraction form
    95,425.88/143,138.82 = 29,761.88/x
  3. Step 3: Cross multiply
    95,425.88x = 143,138.82 × 29,761.88
  4. Step 4: Simplify right side
    95,425.88x = 4,260,079,519.68
  5. Step 5: Solve for x
    x = 4,260,079,519.68/95,425.88
  6. Step 6: Final answer
    x = 44,642.81

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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.