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Finding the Fourth Proportional to 80,155.70, 110,608.77 and 44,344.95

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Solution

The fourth proportional to 80,155.70, 110,608.77 and 44,344.95 is: 61,192.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,155.70 : 110,608.77 = 44,344.95 : x
  2. Step 2: Convert to fraction form
    80,155.70/110,608.77 = 44,344.95/x
  3. Step 3: Cross multiply
    80,155.70x = 110,608.77 × 44,344.95
  4. Step 4: Simplify right side
    80,155.70x = 4,904,940,375.21
  5. Step 5: Solve for x
    x = 4,904,940,375.21/80,155.70
  6. Step 6: Final answer
    x = 61,192.66

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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.