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Finding the Fourth Proportional to 110,687.52, 165,932.67 and 40,550.43

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Solution

The fourth proportional to 110,687.52, 165,932.67 and 40,550.43 is: 60,789.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,687.52 : 165,932.67 = 40,550.43 : x
  2. Step 2: Convert to fraction form
    110,687.52/165,932.67 = 40,550.43/x
  3. Step 3: Cross multiply
    110,687.52x = 165,932.67 × 40,550.43
  4. Step 4: Simplify right side
    110,687.52x = 6,728,641,119.55
  5. Step 5: Solve for x
    x = 6,728,641,119.55/110,687.52
  6. Step 6: Final answer
    x = 60,789.52

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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.