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Finding the Fourth Proportional to 83,468.72, 115,189.08 and 45,744.56

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Solution

The fourth proportional to 83,468.72, 115,189.08 and 45,744.56 is: 63,128.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,468.72 : 115,189.08 = 45,744.56 : x
  2. Step 2: Convert to fraction form
    83,468.72/115,189.08 = 45,744.56/x
  3. Step 3: Cross multiply
    83,468.72x = 115,189.08 × 45,744.56
  4. Step 4: Simplify right side
    83,468.72x = 5,269,273,781.40
  5. Step 5: Solve for x
    x = 5,269,273,781.40/83,468.72
  6. Step 6: Final answer
    x = 63,128.72

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