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Finding the Fourth Proportional to 88,644.53, 132,275.40 and 79,091.17

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Solution

The fourth proportional to 88,644.53, 132,275.40 and 79,091.17 is: 118,019.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,644.53 : 132,275.40 = 79,091.17 : x
  2. Step 2: Convert to fraction form
    88,644.53/132,275.40 = 79,091.17/x
  3. Step 3: Cross multiply
    88,644.53x = 132,275.40 × 79,091.17
  4. Step 4: Simplify right side
    88,644.53x = 10,461,816,148.22
  5. Step 5: Solve for x
    x = 10,461,816,148.22/88,644.53
  6. Step 6: Final answer
    x = 118,019.87

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