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Finding the Fourth Proportional to 80,371.38, 110,912.34 and 44,560.47

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Solution

The fourth proportional to 80,371.38, 110,912.34 and 44,560.47 is: 61,493.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,371.38 : 110,912.34 = 44,560.47 : x
  2. Step 2: Convert to fraction form
    80,371.38/110,912.34 = 44,560.47/x
  3. Step 3: Cross multiply
    80,371.38x = 110,912.34 × 44,560.47
  4. Step 4: Simplify right side
    80,371.38x = 4,942,305,999.20
  5. Step 5: Solve for x
    x = 4,942,305,999.20/80,371.38
  6. Step 6: Final answer
    x = 61,493.36

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1.5x scale

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.