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Finding the Fourth Proportional to 79,688.28, 109,972.24 and 43,879.57

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Solution

The fourth proportional to 79,688.28, 109,972.24 and 43,879.57 is: 60,555.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,688.28 : 109,972.24 = 43,879.57 : x
  2. Step 2: Convert to fraction form
    79,688.28/109,972.24 = 43,879.57/x
  3. Step 3: Cross multiply
    79,688.28x = 109,972.24 × 43,879.57
  4. Step 4: Simplify right side
    79,688.28x = 4,825,534,877.73
  5. Step 5: Solve for x
    x = 4,825,534,877.73/79,688.28
  6. Step 6: Final answer
    x = 60,555.14

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