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Finding the Fourth Proportional to 57,092.81, 78,787.49 and 31,599.23

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Solution

The fourth proportional to 57,092.81, 78,787.49 and 31,599.23 is: 43,606.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,092.81 : 78,787.49 = 31,599.23 : x
  2. Step 2: Convert to fraction form
    57,092.81/78,787.49 = 31,599.23/x
  3. Step 3: Cross multiply
    57,092.81x = 78,787.49 × 31,599.23
  4. Step 4: Simplify right side
    57,092.81x = 2,489,623,465.70
  5. Step 5: Solve for x
    x = 2,489,623,465.70/57,092.81
  6. Step 6: Final answer
    x = 43,606.61

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