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Finding the Fourth Proportional to 71,377.20, 107,025.30 and 27,005.40

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Solution

The fourth proportional to 71,377.20, 107,025.30 and 27,005.40 is: 40,492.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,377.20 : 107,025.30 = 27,005.40 : x
  2. Step 2: Convert to fraction form
    71,377.20/107,025.30 = 27,005.40/x
  3. Step 3: Cross multiply
    71,377.20x = 107,025.30 × 27,005.40
  4. Step 4: Simplify right side
    71,377.20x = 2,890,261,036.62
  5. Step 5: Solve for x
    x = 2,890,261,036.62/71,377.20
  6. Step 6: Final answer
    x = 40,492.78

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