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Finding the Fourth Proportional to 83,436.72, 115,142.09 and 45,195.41

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Solution

The fourth proportional to 83,436.72, 115,142.09 and 45,195.41 is: 62,369.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,436.72 : 115,142.09 = 45,195.41 : x
  2. Step 2: Convert to fraction form
    83,436.72/115,142.09 = 45,195.41/x
  3. Step 3: Cross multiply
    83,436.72x = 115,142.09 × 45,195.41
  4. Step 4: Simplify right side
    83,436.72x = 5,203,893,164.12
  5. Step 5: Solve for x
    x = 5,203,893,164.12/83,436.72
  6. Step 6: Final answer
    x = 62,369.34

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