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Finding the Fourth Proportional to 187,230.80, 280,846.20 and 54,115.40

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Solution

The fourth proportional to 187,230.80, 280,846.20 and 54,115.40 is: 81,173.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,230.80 : 280,846.20 = 54,115.40 : x
  2. Step 2: Convert to fraction form
    187,230.80/280,846.20 = 54,115.40/x
  3. Step 3: Cross multiply
    187,230.80x = 280,846.20 × 54,115.40
  4. Step 4: Simplify right side
    187,230.80x = 15,198,104,451.48
  5. Step 5: Solve for x
    x = 15,198,104,451.48/187,230.80
  6. Step 6: Final answer
    x = 81,173.10

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