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Finding the Fourth Proportional to 80,399.52, 110,944.05 and 44,589.42

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Solution

The fourth proportional to 80,399.52, 110,944.05 and 44,589.42 is: 61,529.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,399.52 : 110,944.05 = 44,589.42 : x
  2. Step 2: Convert to fraction form
    80,399.52/110,944.05 = 44,589.42/x
  3. Step 3: Cross multiply
    80,399.52x = 110,944.05 × 44,589.42
  4. Step 4: Simplify right side
    80,399.52x = 4,946,930,841.95
  5. Step 5: Solve for x
    x = 4,946,930,841.95/80,399.52
  6. Step 6: Final answer
    x = 61,529.36

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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.