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Finding the Fourth Proportional to 170,791.27, 235,674.05 and 99,157.30

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Solution

The fourth proportional to 170,791.27, 235,674.05 and 99,157.30 is: 136,826.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,791.27 : 235,674.05 = 99,157.30 : x
  2. Step 2: Convert to fraction form
    170,791.27/235,674.05 = 99,157.30/x
  3. Step 3: Cross multiply
    170,791.27x = 235,674.05 × 99,157.30
  4. Step 4: Simplify right side
    170,791.27x = 23,368,801,393.09
  5. Step 5: Solve for x
    x = 23,368,801,393.09/170,791.27
  6. Step 6: Final answer
    x = 136,826.68

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