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Finding the Fourth Proportional to 80,874.62, 111,605.48 and 44,081.15

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Solution

The fourth proportional to 80,874.62, 111,605.48 and 44,081.15 is: 60,831.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,874.62 : 111,605.48 = 44,081.15 : x
  2. Step 2: Convert to fraction form
    80,874.62/111,605.48 = 44,081.15/x
  3. Step 3: Cross multiply
    80,874.62x = 111,605.48 × 44,081.15
  4. Step 4: Simplify right side
    80,874.62x = 4,919,697,989.11
  5. Step 5: Solve for x
    x = 4,919,697,989.11/80,874.62
  6. Step 6: Final answer
    x = 60,831.17

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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.