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Finding the Fourth Proportional to 78,872.13, 108,845.07 and 43,063.55

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Solution

The fourth proportional to 78,872.13, 108,845.07 and 43,063.55 is: 59,428.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,872.13 : 108,845.07 = 43,063.55 : x
  2. Step 2: Convert to fraction form
    78,872.13/108,845.07 = 43,063.55/x
  3. Step 3: Cross multiply
    78,872.13x = 108,845.07 × 43,063.55
  4. Step 4: Simplify right side
    78,872.13x = 4,687,254,816.65
  5. Step 5: Solve for x
    x = 4,687,254,816.65/78,872.13
  6. Step 6: Final answer
    x = 59,428.53

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