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Finding the Fourth Proportional to 100,771.20, 151,156.91 and 25,891.97

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Solution

The fourth proportional to 100,771.20, 151,156.91 and 25,891.97 is: 38,837.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,771.20 : 151,156.91 = 25,891.97 : x
  2. Step 2: Convert to fraction form
    100,771.20/151,156.91 = 25,891.97/x
  3. Step 3: Cross multiply
    100,771.20x = 151,156.91 × 25,891.97
  4. Step 4: Simplify right side
    100,771.20x = 3,913,749,487.96
  5. Step 5: Solve for x
    x = 3,913,749,487.96/100,771.20
  6. Step 6: Final answer
    x = 38,837.98

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