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Finding the Fourth Proportional to 80,378.91, 110,922.71 and 44,568

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Solution

The fourth proportional to 80,378.91, 110,922.71 and 44,568 is: 61,503.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,378.91 : 110,922.71 = 44,568 : x
  2. Step 2: Convert to fraction form
    80,378.91/110,922.71 = 44,568/x
  3. Step 3: Cross multiply
    80,378.91x = 110,922.71 × 44,568
  4. Step 4: Simplify right side
    80,378.91x = 4,943,603,116.44
  5. Step 5: Solve for x
    x = 4,943,603,116.44/80,378.91
  6. Step 6: Final answer
    x = 61,503.73

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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.