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Finding the Fourth Proportional to 80,371.87, 110,912.64 and 44,561.89

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Solution

The fourth proportional to 80,371.87, 110,912.64 and 44,561.89 is: 61,495.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,371.87 : 110,912.64 = 44,561.89 : x
  2. Step 2: Convert to fraction form
    80,371.87/110,912.64 = 44,561.89/x
  3. Step 3: Cross multiply
    80,371.87x = 110,912.64 × 44,561.89
  4. Step 4: Simplify right side
    80,371.87x = 4,942,476,863.29
  5. Step 5: Solve for x
    x = 4,942,476,863.29/80,371.87
  6. Step 6: Final answer
    x = 61,495.11

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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.