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Finding the Fourth Proportional to 110,471.20, 165,616.08 and 43,882.72

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Solution

The fourth proportional to 110,471.20, 165,616.08 and 43,882.72 is: 65,788.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,471.20 : 165,616.08 = 43,882.72 : x
  2. Step 2: Convert to fraction form
    110,471.20/165,616.08 = 43,882.72/x
  3. Step 3: Cross multiply
    110,471.20x = 165,616.08 × 43,882.72
  4. Step 4: Simplify right side
    110,471.20x = 7,267,684,066.14
  5. Step 5: Solve for x
    x = 7,267,684,066.14/110,471.20
  6. Step 6: Final answer
    x = 65,788.04

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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.