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Finding the Fourth Proportional to 110,688.52, 165,934.17 and 40,551.43

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Solution

The fourth proportional to 110,688.52, 165,934.17 and 40,551.43 is: 60,791.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,688.52 : 165,934.17 = 40,551.43 : x
  2. Step 2: Convert to fraction form
    110,688.52/165,934.17 = 40,551.43/x
  3. Step 3: Cross multiply
    110,688.52x = 165,934.17 × 40,551.43
  4. Step 4: Simplify right side
    110,688.52x = 6,728,867,879.36
  5. Step 5: Solve for x
    x = 6,728,867,879.36/110,688.52
  6. Step 6: Final answer
    x = 60,791.02

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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.