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Finding the Fourth Proportional to 248,857.20, 343,422.51 and 141,427.30

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Solution

The fourth proportional to 248,857.20, 343,422.51 and 141,427.30 is: 195,169.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,857.20 : 343,422.51 = 141,427.30 : x
  2. Step 2: Convert to fraction form
    248,857.20/343,422.51 = 141,427.30/x
  3. Step 3: Cross multiply
    248,857.20x = 343,422.51 × 141,427.30
  4. Step 4: Simplify right side
    248,857.20x = 48,569,318,348.52
  5. Step 5: Solve for x
    x = 48,569,318,348.52/248,857.20
  6. Step 6: Final answer
    x = 195,169.43

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