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Finding the Fourth Proportional to 80,363.76, 110,897.56 and 44,551.68

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Solution

The fourth proportional to 80,363.76, 110,897.56 and 44,551.68 is: 61,478.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,363.76 : 110,897.56 = 44,551.68 : x
  2. Step 2: Convert to fraction form
    80,363.76/110,897.56 = 44,551.68/x
  3. Step 3: Cross multiply
    80,363.76x = 110,897.56 × 44,551.68
  4. Step 4: Simplify right side
    80,363.76x = 4,940,672,605.90
  5. Step 5: Solve for x
    x = 4,940,672,605.90/80,363.76
  6. Step 6: Final answer
    x = 61,478.86

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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.