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Finding the Fourth Proportional to 269.56, 404.24 and 115.48

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Solution

The fourth proportional to 269.56, 404.24 and 115.48 is: 173.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.56 : 404.24 = 115.48 : x
  2. Step 2: Convert to fraction form
    269.56/404.24 = 115.48/x
  3. Step 3: Cross multiply
    269.56x = 404.24 × 115.48
  4. Step 4: Simplify right side
    269.56x = 46,681.64
  5. Step 5: Solve for x
    x = 46,681.64/269.56
  6. Step 6: Final answer
    x = 173.18

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