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Finding the Fourth Proportional to 57,093.40, 78,787.27 and 31,600.81

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Solution

The fourth proportional to 57,093.40, 78,787.27 and 31,600.81 is: 43,608.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,093.40 : 78,787.27 = 31,600.81 : x
  2. Step 2: Convert to fraction form
    57,093.40/78,787.27 = 31,600.81/x
  3. Step 3: Cross multiply
    57,093.40x = 78,787.27 × 31,600.81
  4. Step 4: Simplify right side
    57,093.40x = 2,489,741,549.69
  5. Step 5: Solve for x
    x = 2,489,741,549.69/57,093.40
  6. Step 6: Final answer
    x = 43,608.22

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