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Finding the Fourth Proportional to 204,713.56, 307,012.02 and 129,720.52

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Solution

The fourth proportional to 204,713.56, 307,012.02 and 129,720.52 is: 194,543.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,713.56 : 307,012.02 = 129,720.52 : x
  2. Step 2: Convert to fraction form
    204,713.56/307,012.02 = 129,720.52/x
  3. Step 3: Cross multiply
    204,713.56x = 307,012.02 × 129,720.52
  4. Step 4: Simplify right side
    204,713.56x = 39,825,758,880.65
  5. Step 5: Solve for x
    x = 39,825,758,880.65/204,713.56
  6. Step 6: Final answer
    x = 194,543.82

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