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Finding the Fourth Proportional to 73,696.80, 101,621.28 and 49,781.96

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Solution

The fourth proportional to 73,696.80, 101,621.28 and 49,781.96 is: 68,644.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,696.80 : 101,621.28 = 49,781.96 : x
  2. Step 2: Convert to fraction form
    73,696.80/101,621.28 = 49,781.96/x
  3. Step 3: Cross multiply
    73,696.80x = 101,621.28 × 49,781.96
  4. Step 4: Simplify right side
    73,696.80x = 5,058,906,496.11
  5. Step 5: Solve for x
    x = 5,058,906,496.11/73,696.80
  6. Step 6: Final answer
    x = 68,644.86

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