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Finding the Fourth Proportional to 57,785.68, 86,690.40 and 26,180.56

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Solution

The fourth proportional to 57,785.68, 86,690.40 and 26,180.56 is: 39,276.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,785.68 : 86,690.40 = 26,180.56 : x
  2. Step 2: Convert to fraction form
    57,785.68/86,690.40 = 26,180.56/x
  3. Step 3: Cross multiply
    57,785.68x = 86,690.40 × 26,180.56
  4. Step 4: Simplify right side
    57,785.68x = 2,269,603,218.62
  5. Step 5: Solve for x
    x = 2,269,603,218.62/57,785.68
  6. Step 6: Final answer
    x = 39,276.22

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