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Finding the Fourth Proportional to 56,949.75, 78,591.87 and 31,799.25

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Solution

The fourth proportional to 56,949.75, 78,591.87 and 31,799.25 is: 43,883.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,949.75 : 78,591.87 = 31,799.25 : x
  2. Step 2: Convert to fraction form
    56,949.75/78,591.87 = 31,799.25/x
  3. Step 3: Cross multiply
    56,949.75x = 78,591.87 × 31,799.25
  4. Step 4: Simplify right side
    56,949.75x = 2,499,162,522.10
  5. Step 5: Solve for x
    x = 2,499,162,522.10/56,949.75
  6. Step 6: Final answer
    x = 43,883.64

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