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Finding the Fourth Proportional to 232.84, 349.53 and 111.12

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Solution

The fourth proportional to 232.84, 349.53 and 111.12 is: 166.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.84 : 349.53 = 111.12 : x
  2. Step 2: Convert to fraction form
    232.84/349.53 = 111.12/x
  3. Step 3: Cross multiply
    232.84x = 349.53 × 111.12
  4. Step 4: Simplify right side
    232.84x = 38,839.77
  5. Step 5: Solve for x
    x = 38,839.77/232.84
  6. Step 6: Final answer
    x = 166.81

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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.