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Finding the Fourth Proportional to 263,679.13, 395,528.47 and 135,561.13

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Solution

The fourth proportional to 263,679.13, 395,528.47 and 135,561.13 is: 203,346.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,679.13 : 395,528.47 = 135,561.13 : x
  2. Step 2: Convert to fraction form
    263,679.13/395,528.47 = 135,561.13/x
  3. Step 3: Cross multiply
    263,679.13x = 395,528.47 × 135,561.13
  4. Step 4: Simplify right side
    263,679.13x = 53,618,285,012.65
  5. Step 5: Solve for x
    x = 53,618,285,012.65/263,679.13
  6. Step 6: Final answer
    x = 203,346.71

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