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Finding the Fourth Proportional to 232.22, 348.32 and 87.94

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Solution

The fourth proportional to 232.22, 348.32 and 87.94 is: 131.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.22 : 348.32 = 87.94 : x
  2. Step 2: Convert to fraction form
    232.22/348.32 = 87.94/x
  3. Step 3: Cross multiply
    232.22x = 348.32 × 87.94
  4. Step 4: Simplify right side
    232.22x = 30,631.26
  5. Step 5: Solve for x
    x = 30,631.26/232.22
  6. Step 6: Final answer
    x = 131.91

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