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Finding the Fourth Proportional to 175.31, 262.96 and 67.09

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Solution

The fourth proportional to 175.31, 262.96 and 67.09 is: 100.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.31 : 262.96 = 67.09 : x
  2. Step 2: Convert to fraction form
    175.31/262.96 = 67.09/x
  3. Step 3: Cross multiply
    175.31x = 262.96 × 67.09
  4. Step 4: Simplify right side
    175.31x = 17,641.99
  5. Step 5: Solve for x
    x = 17,641.99/175.31
  6. Step 6: Final answer
    x = 100.63

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