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Finding the Fourth Proportional to 80,471.84, 111,039.78 and 48,198.90

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Solution

The fourth proportional to 80,471.84, 111,039.78 and 48,198.90 is: 66,507.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,471.84 : 111,039.78 = 48,198.90 : x
  2. Step 2: Convert to fraction form
    80,471.84/111,039.78 = 48,198.90/x
  3. Step 3: Cross multiply
    80,471.84x = 111,039.78 × 48,198.90
  4. Step 4: Simplify right side
    80,471.84x = 5,351,995,252.24
  5. Step 5: Solve for x
    x = 5,351,995,252.24/80,471.84
  6. Step 6: Final answer
    x = 66,507.68

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