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Finding the Fourth Proportional to 232.24, 348.08 and 87.80

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Solution

The fourth proportional to 232.24, 348.08 and 87.80 is: 131.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.24 : 348.08 = 87.80 : x
  2. Step 2: Convert to fraction form
    232.24/348.08 = 87.80/x
  3. Step 3: Cross multiply
    232.24x = 348.08 × 87.80
  4. Step 4: Simplify right side
    232.24x = 30,561.42
  5. Step 5: Solve for x
    x = 30,561.42/232.24
  6. Step 6: Final answer
    x = 131.59

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