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Finding the Fourth Proportional to 80,599.59, 111,223.94 and 44,789.90

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Solution

The fourth proportional to 80,599.59, 111,223.94 and 44,789.90 is: 61,808.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,599.59 : 111,223.94 = 44,789.90 : x
  2. Step 2: Convert to fraction form
    80,599.59/111,223.94 = 44,789.90/x
  3. Step 3: Cross multiply
    80,599.59x = 111,223.94 × 44,789.90
  4. Step 4: Simplify right side
    80,599.59x = 4,981,708,370.14
  5. Step 5: Solve for x
    x = 4,981,708,370.14/80,599.59
  6. Step 6: Final answer
    x = 61,808.11

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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.