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Finding the Fourth Proportional to 234.46, 323.63 and 160.99

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Solution

The fourth proportional to 234.46, 323.63 and 160.99 is: 222.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.46 : 323.63 = 160.99 : x
  2. Step 2: Convert to fraction form
    234.46/323.63 = 160.99/x
  3. Step 3: Cross multiply
    234.46x = 323.63 × 160.99
  4. Step 4: Simplify right side
    234.46x = 52,101.19
  5. Step 5: Solve for x
    x = 52,101.19/234.46
  6. Step 6: Final answer
    x = 222.22

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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.