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Finding the Fourth Proportional to 115,015.82, 158,745.42 and 67,280.90

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Solution

The fourth proportional to 115,015.82, 158,745.42 and 67,280.90 is: 92,861.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,015.82 : 158,745.42 = 67,280.90 : x
  2. Step 2: Convert to fraction form
    115,015.82/158,745.42 = 67,280.90/x
  3. Step 3: Cross multiply
    115,015.82x = 158,745.42 × 67,280.90
  4. Step 4: Simplify right side
    115,015.82x = 10,680,533,934.75
  5. Step 5: Solve for x
    x = 10,680,533,934.75/115,015.82
  6. Step 6: Final answer
    x = 92,861.44

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