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Finding the Fourth Proportional to 86,207.26, 129,310.88 and 23,877.76

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Solution

The fourth proportional to 86,207.26, 129,310.88 and 23,877.76 is: 35,816.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,207.26 : 129,310.88 = 23,877.76 : x
  2. Step 2: Convert to fraction form
    86,207.26/129,310.88 = 23,877.76/x
  3. Step 3: Cross multiply
    86,207.26x = 129,310.88 × 23,877.76
  4. Step 4: Simplify right side
    86,207.26x = 3,087,654,158.03
  5. Step 5: Solve for x
    x = 3,087,654,158.03/86,207.26
  6. Step 6: Final answer
    x = 35,816.64

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