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Finding the Fourth Proportional to 232.72, 348.98 and 110.99

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Solution

The fourth proportional to 232.72, 348.98 and 110.99 is: 166.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.72 : 348.98 = 110.99 : x
  2. Step 2: Convert to fraction form
    232.72/348.98 = 110.99/x
  3. Step 3: Cross multiply
    232.72x = 348.98 × 110.99
  4. Step 4: Simplify right side
    232.72x = 38,733.61
  5. Step 5: Solve for x
    x = 38,733.61/232.72
  6. Step 6: Final answer
    x = 166.44

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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.