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Finding the Fourth Proportional to 80,378.29, 110,910.17 and 44,568.56

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Solution

The fourth proportional to 80,378.29, 110,910.17 and 44,568.56 is: 61,498.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,378.29 : 110,910.17 = 44,568.56 : x
  2. Step 2: Convert to fraction form
    80,378.29/110,910.17 = 44,568.56/x
  3. Step 3: Cross multiply
    80,378.29x = 110,910.17 × 44,568.56
  4. Step 4: Simplify right side
    80,378.29x = 4,943,105,788.86
  5. Step 5: Solve for x
    x = 4,943,105,788.86/80,378.29
  6. Step 6: Final answer
    x = 61,498.03

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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.