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Finding the Fourth Proportional to 232.16, 347.72 and 110.24

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Solution

The fourth proportional to 232.16, 347.72 and 110.24 is: 165.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.16 : 347.72 = 110.24 : x
  2. Step 2: Convert to fraction form
    232.16/347.72 = 110.24/x
  3. Step 3: Cross multiply
    232.16x = 347.72 × 110.24
  4. Step 4: Simplify right side
    232.16x = 38,332.65
  5. Step 5: Solve for x
    x = 38,332.65/232.16
  6. Step 6: Final answer
    x = 165.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.