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Finding the Fourth Proportional to 135,317.91, 203,133.96 and 79,198.32

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Solution

The fourth proportional to 135,317.91, 203,133.96 and 79,198.32 is: 118,889.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,317.91 : 203,133.96 = 79,198.32 : x
  2. Step 2: Convert to fraction form
    135,317.91/203,133.96 = 79,198.32/x
  3. Step 3: Cross multiply
    135,317.91x = 203,133.96 × 79,198.32
  4. Step 4: Simplify right side
    135,317.91x = 16,087,868,366.95
  5. Step 5: Solve for x
    x = 16,087,868,366.95/135,317.91
  6. Step 6: Final answer
    x = 118,889.42

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