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Finding the Fourth Proportional to 107,015.67, 160,375.88 and 80,691.48

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Solution

The fourth proportional to 107,015.67, 160,375.88 and 80,691.48 is: 120,925.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,015.67 : 160,375.88 = 80,691.48 : x
  2. Step 2: Convert to fraction form
    107,015.67/160,375.88 = 80,691.48/x
  3. Step 3: Cross multiply
    107,015.67x = 160,375.88 × 80,691.48
  4. Step 4: Simplify right side
    107,015.67x = 12,940,966,710.05
  5. Step 5: Solve for x
    x = 12,940,966,710.05/107,015.67
  6. Step 6: Final answer
    x = 120,925.90

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