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Finding the Fourth Proportional to 80,753.72, 111,439.02 and 44,943.72

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Solution

The fourth proportional to 80,753.72, 111,439.02 and 44,943.72 is: 62,021.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,753.72 : 111,439.02 = 44,943.72 : x
  2. Step 2: Convert to fraction form
    80,753.72/111,439.02 = 44,943.72/x
  3. Step 3: Cross multiply
    80,753.72x = 111,439.02 × 44,943.72
  4. Step 4: Simplify right side
    80,753.72x = 5,008,484,111.95
  5. Step 5: Solve for x
    x = 5,008,484,111.95/80,753.72
  6. Step 6: Final answer
    x = 62,021.71

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.