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Finding the Fourth Proportional to 68,959.25, 95,166.21 and 38,743.96

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Solution

The fourth proportional to 68,959.25, 95,166.21 and 38,743.96 is: 53,468.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,959.25 : 95,166.21 = 38,743.96 : x
  2. Step 2: Convert to fraction form
    68,959.25/95,166.21 = 38,743.96/x
  3. Step 3: Cross multiply
    68,959.25x = 95,166.21 × 38,743.96
  4. Step 4: Simplify right side
    68,959.25x = 3,687,115,833.59
  5. Step 5: Solve for x
    x = 3,687,115,833.59/68,959.25
  6. Step 6: Final answer
    x = 53,468.04

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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.