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Finding the Fourth Proportional to 71,144.94, 98,196.39 and 40,947.70

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Solution

The fourth proportional to 71,144.94, 98,196.39 and 40,947.70 is: 56,517.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,144.94 : 98,196.39 = 40,947.70 : x
  2. Step 2: Convert to fraction form
    71,144.94/98,196.39 = 40,947.70/x
  3. Step 3: Cross multiply
    71,144.94x = 98,196.39 × 40,947.70
  4. Step 4: Simplify right side
    71,144.94x = 4,020,916,114.06
  5. Step 5: Solve for x
    x = 4,020,916,114.06/71,144.94
  6. Step 6: Final answer
    x = 56,517.25

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