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Finding the Fourth Proportional to 234.24, 350.52 and 161.76

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Solution

The fourth proportional to 234.24, 350.52 and 161.76 is: 242.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.24 : 350.52 = 161.76 : x
  2. Step 2: Convert to fraction form
    234.24/350.52 = 161.76/x
  3. Step 3: Cross multiply
    234.24x = 350.52 × 161.76
  4. Step 4: Simplify right side
    234.24x = 56,700.12
  5. Step 5: Solve for x
    x = 56,700.12/234.24
  6. Step 6: Final answer
    x = 242.06

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