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Finding the Fourth Proportional to 80,560.91, 111,174 and 44,754.25

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Solution

The fourth proportional to 80,560.91, 111,174 and 44,754.25 is: 61,760.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,560.91 : 111,174 = 44,754.25 : x
  2. Step 2: Convert to fraction form
    80,560.91/111,174 = 44,754.25/x
  3. Step 3: Cross multiply
    80,560.91x = 111,174 × 44,754.25
  4. Step 4: Simplify right side
    80,560.91x = 4,975,508,989.50
  5. Step 5: Solve for x
    x = 4,975,508,989.50/80,560.91
  6. Step 6: Final answer
    x = 61,760.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.