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Finding the Fourth Proportional to 57,744.80, 86,425.20 and 41,904.80

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Solution

The fourth proportional to 57,744.80, 86,425.20 and 41,904.80 is: 62,717.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,744.80 : 86,425.20 = 41,904.80 : x
  2. Step 2: Convert to fraction form
    57,744.80/86,425.20 = 41,904.80/x
  3. Step 3: Cross multiply
    57,744.80x = 86,425.20 × 41,904.80
  4. Step 4: Simplify right side
    57,744.80x = 3,621,630,720.96
  5. Step 5: Solve for x
    x = 3,621,630,720.96/57,744.80
  6. Step 6: Final answer
    x = 62,717.87

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