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Finding the Fourth Proportional to 207,670.44, 311,531.76 and 81,294.42

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Solution

The fourth proportional to 207,670.44, 311,531.76 and 81,294.42 is: 121,951.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,670.44 : 311,531.76 = 81,294.42 : x
  2. Step 2: Convert to fraction form
    207,670.44/311,531.76 = 81,294.42/x
  3. Step 3: Cross multiply
    207,670.44x = 311,531.76 × 81,294.42
  4. Step 4: Simplify right side
    207,670.44x = 25,325,793,740.78
  5. Step 5: Solve for x
    x = 25,325,793,740.78/207,670.44
  6. Step 6: Final answer
    x = 121,951.85

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