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Finding the Fourth Proportional to 80,311.30, 110,834.03 and 44,500.55

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Solution

The fourth proportional to 80,311.30, 110,834.03 and 44,500.55 is: 61,413.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,311.30 : 110,834.03 = 44,500.55 : x
  2. Step 2: Convert to fraction form
    80,311.30/110,834.03 = 44,500.55/x
  3. Step 3: Cross multiply
    80,311.30x = 110,834.03 × 44,500.55
  4. Step 4: Simplify right side
    80,311.30x = 4,932,175,266.43
  5. Step 5: Solve for x
    x = 4,932,175,266.43/80,311.30
  6. Step 6: Final answer
    x = 61,413.22

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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.