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Finding the Fourth Proportional to 57,921.48, 79,958.88 and 43,586.64

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Solution

The fourth proportional to 57,921.48, 79,958.88 and 43,586.64 is: 60,170.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,921.48 : 79,958.88 = 43,586.64 : x
  2. Step 2: Convert to fraction form
    57,921.48/79,958.88 = 43,586.64/x
  3. Step 3: Cross multiply
    57,921.48x = 79,958.88 × 43,586.64
  4. Step 4: Simplify right side
    57,921.48x = 3,485,138,917.36
  5. Step 5: Solve for x
    x = 3,485,138,917.36/57,921.48
  6. Step 6: Final answer
    x = 60,170.06

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