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Finding the Fourth Proportional to 110,720.88, 165,691.80 and 95,324.40

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Solution

The fourth proportional to 110,720.88, 165,691.80 and 95,324.40 is: 142,651.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,720.88 : 165,691.80 = 95,324.40 : x
  2. Step 2: Convert to fraction form
    110,720.88/165,691.80 = 95,324.40/x
  3. Step 3: Cross multiply
    110,720.88x = 165,691.80 × 95,324.40
  4. Step 4: Simplify right side
    110,720.88x = 15,794,471,419.92
  5. Step 5: Solve for x
    x = 15,794,471,419.92/110,720.88
  6. Step 6: Final answer
    x = 142,651.25

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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.