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Finding the Fourth Proportional to 89,847.12, 123,987.12 and 49,564.56

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Solution

The fourth proportional to 89,847.12, 123,987.12 and 49,564.56 is: 68,398.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,847.12 : 123,987.12 = 49,564.56 : x
  2. Step 2: Convert to fraction form
    89,847.12/123,987.12 = 49,564.56/x
  3. Step 3: Cross multiply
    89,847.12x = 123,987.12 × 49,564.56
  4. Step 4: Simplify right side
    89,847.12x = 6,145,367,048.47
  5. Step 5: Solve for x
    x = 6,145,367,048.47/89,847.12
  6. Step 6: Final answer
    x = 68,398.04

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