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Finding the Fourth Proportional to 73,179.26, 109,789.97 and 35,760.90

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Solution

The fourth proportional to 73,179.26, 109,789.97 and 35,760.90 is: 53,651.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,179.26 : 109,789.97 = 35,760.90 : x
  2. Step 2: Convert to fraction form
    73,179.26/109,789.97 = 35,760.90/x
  3. Step 3: Cross multiply
    73,179.26x = 109,789.97 × 35,760.90
  4. Step 4: Simplify right side
    73,179.26x = 3,926,188,138.17
  5. Step 5: Solve for x
    x = 3,926,188,138.17/73,179.26
  6. Step 6: Final answer
    x = 53,651.65

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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.