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Finding the Fourth Proportional to 231,793.02, 347,718.69 and 81,998.10

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Solution

The fourth proportional to 231,793.02, 347,718.69 and 81,998.10 is: 123,007.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,793.02 : 347,718.69 = 81,998.10 : x
  2. Step 2: Convert to fraction form
    231,793.02/347,718.69 = 81,998.10/x
  3. Step 3: Cross multiply
    231,793.02x = 347,718.69 × 81,998.10
  4. Step 4: Simplify right side
    231,793.02x = 28,512,271,914.49
  5. Step 5: Solve for x
    x = 28,512,271,914.49/231,793.02
  6. Step 6: Final answer
    x = 123,007.47

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