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Finding the Fourth Proportional to 69,456.93, 95,844.87 and 39,244.88

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Solution

The fourth proportional to 69,456.93, 95,844.87 and 39,244.88 is: 54,154.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,456.93 : 95,844.87 = 39,244.88 : x
  2. Step 2: Convert to fraction form
    69,456.93/95,844.87 = 39,244.88/x
  3. Step 3: Cross multiply
    69,456.93x = 95,844.87 × 39,244.88
  4. Step 4: Simplify right side
    69,456.93x = 3,761,419,942.54
  5. Step 5: Solve for x
    x = 3,761,419,942.54/69,456.93
  6. Step 6: Final answer
    x = 54,154.71

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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.