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Finding the Fourth Proportional to 57,065.36, 78,639.17 and 41,119.70

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Solution

The fourth proportional to 57,065.36, 78,639.17 and 41,119.70 is: 56,665.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,065.36 : 78,639.17 = 41,119.70 : x
  2. Step 2: Convert to fraction form
    57,065.36/78,639.17 = 41,119.70/x
  3. Step 3: Cross multiply
    57,065.36x = 78,639.17 × 41,119.70
  4. Step 4: Simplify right side
    57,065.36x = 3,233,618,479.85
  5. Step 5: Solve for x
    x = 3,233,618,479.85/57,065.36
  6. Step 6: Final answer
    x = 56,665.18

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