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Finding the Fourth Proportional to 83,843.92, 115,727.35 and 49,418.72

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Solution

The fourth proportional to 83,843.92, 115,727.35 and 49,418.72 is: 68,211.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,843.92 : 115,727.35 = 49,418.72 : x
  2. Step 2: Convert to fraction form
    83,843.92/115,727.35 = 49,418.72/x
  3. Step 3: Cross multiply
    83,843.92x = 115,727.35 × 49,418.72
  4. Step 4: Simplify right side
    83,843.92x = 5,719,096,927.36
  5. Step 5: Solve for x
    x = 5,719,096,927.36/83,843.92
  6. Step 6: Final answer
    x = 68,211.23

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