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Finding the Fourth Proportional to 80,212.17, 110,691.43 and 44,401.41

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Solution

The fourth proportional to 80,212.17, 110,691.43 and 44,401.41 is: 61,273.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,212.17 : 110,691.43 = 44,401.41 : x
  2. Step 2: Convert to fraction form
    80,212.17/110,691.43 = 44,401.41/x
  3. Step 3: Cross multiply
    80,212.17x = 110,691.43 × 44,401.41
  4. Step 4: Simplify right side
    80,212.17x = 4,914,855,566.92
  5. Step 5: Solve for x
    x = 4,914,855,566.92/80,212.17
  6. Step 6: Final answer
    x = 61,273.19

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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.