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Finding the Fourth Proportional to 83,351.61, 115,020.81 and 45,618.57

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Solution

The fourth proportional to 83,351.61, 115,020.81 and 45,618.57 is: 62,951.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,351.61 : 115,020.81 = 45,618.57 : x
  2. Step 2: Convert to fraction form
    83,351.61/115,020.81 = 45,618.57/x
  3. Step 3: Cross multiply
    83,351.61x = 115,020.81 × 45,618.57
  4. Step 4: Simplify right side
    83,351.61x = 5,247,084,872.44
  5. Step 5: Solve for x
    x = 5,247,084,872.44/83,351.61
  6. Step 6: Final answer
    x = 62,951.21

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