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Finding the Fourth Proportional to 80,753.76, 111,437.86 and 44,943.01

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Solution

The fourth proportional to 80,753.76, 111,437.86 and 44,943.01 is: 62,020.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,753.76 : 111,437.86 = 44,943.01 : x
  2. Step 2: Convert to fraction form
    80,753.76/111,437.86 = 44,943.01/x
  3. Step 3: Cross multiply
    80,753.76x = 111,437.86 × 44,943.01
  4. Step 4: Simplify right side
    80,753.76x = 5,008,352,856.36
  5. Step 5: Solve for x
    x = 5,008,352,856.36/80,753.76
  6. Step 6: Final answer
    x = 62,020.06

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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.