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Finding the Fourth Proportional to 58,729.73, 81,047.24 and 31,872.23

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Solution

The fourth proportional to 58,729.73, 81,047.24 and 31,872.23 is: 43,983.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,729.73 : 81,047.24 = 31,872.23 : x
  2. Step 2: Convert to fraction form
    58,729.73/81,047.24 = 31,872.23/x
  3. Step 3: Cross multiply
    58,729.73x = 81,047.24 × 31,872.23
  4. Step 4: Simplify right side
    58,729.73x = 2,583,156,274.15
  5. Step 5: Solve for x
    x = 2,583,156,274.15/58,729.73
  6. Step 6: Final answer
    x = 43,983.79

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