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Finding the Fourth Proportional to 95,247.97, 142,842.78 and 65,854.69

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Solution

The fourth proportional to 95,247.97, 142,842.78 and 65,854.69 is: 98,761.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,247.97 : 142,842.78 = 65,854.69 : x
  2. Step 2: Convert to fraction form
    95,247.97/142,842.78 = 65,854.69/x
  3. Step 3: Cross multiply
    95,247.97x = 142,842.78 × 65,854.69
  4. Step 4: Simplify right side
    95,247.97x = 9,406,866,995.64
  5. Step 5: Solve for x
    x = 9,406,866,995.64/95,247.97
  6. Step 6: Final answer
    x = 98,761.86

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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.