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Finding the Fourth Proportional to 198,647.63, 274,133.78 and 109,223.63

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Solution

The fourth proportional to 198,647.63, 274,133.78 and 109,223.63 is: 150,728.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,647.63 : 274,133.78 = 109,223.63 : x
  2. Step 2: Convert to fraction form
    198,647.63/274,133.78 = 109,223.63/x
  3. Step 3: Cross multiply
    198,647.63x = 274,133.78 × 109,223.63
  4. Step 4: Simplify right side
    198,647.63x = 29,941,884,640.43
  5. Step 5: Solve for x
    x = 29,941,884,640.43/198,647.63
  6. Step 6: Final answer
    x = 150,728.63

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