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Finding the Fourth Proportional to 112,201.09, 168,310.92 and 80,757.52

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Solution

The fourth proportional to 112,201.09, 168,310.92 and 80,757.52 is: 121,142.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,201.09 : 168,310.92 = 80,757.52 : x
  2. Step 2: Convert to fraction form
    112,201.09/168,310.92 = 80,757.52/x
  3. Step 3: Cross multiply
    112,201.09x = 168,310.92 × 80,757.52
  4. Step 4: Simplify right side
    112,201.09x = 13,592,372,488.12
  5. Step 5: Solve for x
    x = 13,592,372,488.12/112,201.09
  6. Step 6: Final answer
    x = 121,142.96

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