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Finding the Fourth Proportional to 89,539.78, 123,568.06 and 49,256.60

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Solution

The fourth proportional to 89,539.78, 123,568.06 and 49,256.60 is: 67,975.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,539.78 : 123,568.06 = 49,256.60 : x
  2. Step 2: Convert to fraction form
    89,539.78/123,568.06 = 49,256.60/x
  3. Step 3: Cross multiply
    89,539.78x = 123,568.06 × 49,256.60
  4. Step 4: Simplify right side
    89,539.78x = 6,086,542,504.20
  5. Step 5: Solve for x
    x = 6,086,542,504.20/89,539.78
  6. Step 6: Final answer
    x = 67,975.85

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