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Finding the Fourth Proportional to 234.50, 323.74 and 160.92

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Solution

The fourth proportional to 234.50, 323.74 and 160.92 is: 222.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.50 : 323.74 = 160.92 : x
  2. Step 2: Convert to fraction form
    234.50/323.74 = 160.92/x
  3. Step 3: Cross multiply
    234.50x = 323.74 × 160.92
  4. Step 4: Simplify right side
    234.50x = 52,096.44
  5. Step 5: Solve for x
    x = 52,096.44/234.50
  6. Step 6: Final answer
    x = 222.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.