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Finding the Fourth Proportional to 80,468.19, 111,044.97 and 44,657.43

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Solution

The fourth proportional to 80,468.19, 111,044.97 and 44,657.43 is: 61,626.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,468.19 : 111,044.97 = 44,657.43 : x
  2. Step 2: Convert to fraction form
    80,468.19/111,044.97 = 44,657.43/x
  3. Step 3: Cross multiply
    80,468.19x = 111,044.97 × 44,657.43
  4. Step 4: Simplify right side
    80,468.19x = 4,958,982,974.63
  5. Step 5: Solve for x
    x = 4,958,982,974.63/80,468.19
  6. Step 6: Final answer
    x = 61,626.63

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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.