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Finding the Fourth Proportional to 80,279.71, 110,784.61 and 44,468.97

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Solution

The fourth proportional to 80,279.71, 110,784.61 and 44,468.97 is: 61,366.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,279.71 : 110,784.61 = 44,468.97 : x
  2. Step 2: Convert to fraction form
    80,279.71/110,784.61 = 44,468.97/x
  3. Step 3: Cross multiply
    80,279.71x = 110,784.61 × 44,468.97
  4. Step 4: Simplify right side
    80,279.71x = 4,926,477,138.70
  5. Step 5: Solve for x
    x = 4,926,477,138.70/80,279.71
  6. Step 6: Final answer
    x = 61,366.41

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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.