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Finding the Fourth Proportional to 132,380.72, 198,570.84 and 57,491.12

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Solution

The fourth proportional to 132,380.72, 198,570.84 and 57,491.12 is: 86,236.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,380.72 : 198,570.84 = 57,491.12 : x
  2. Step 2: Convert to fraction form
    132,380.72/198,570.84 = 57,491.12/x
  3. Step 3: Cross multiply
    132,380.72x = 198,570.84 × 57,491.12
  4. Step 4: Simplify right side
    132,380.72x = 11,416,059,990.94
  5. Step 5: Solve for x
    x = 11,416,059,990.94/132,380.72
  6. Step 6: Final answer
    x = 86,236.58

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