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Finding the Fourth Proportional to 217,057.40, 325,586.10 and 133,076.60

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Solution

The fourth proportional to 217,057.40, 325,586.10 and 133,076.60 is: 199,614.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,057.40 : 325,586.10 = 133,076.60 : x
  2. Step 2: Convert to fraction form
    217,057.40/325,586.10 = 133,076.60/x
  3. Step 3: Cross multiply
    217,057.40x = 325,586.10 × 133,076.60
  4. Step 4: Simplify right side
    217,057.40x = 43,327,891,195.26
  5. Step 5: Solve for x
    x = 43,327,891,195.26/217,057.40
  6. Step 6: Final answer
    x = 199,614.90

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