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Finding the Fourth Proportional to 244.57, 337.61 and 161.76

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Solution

The fourth proportional to 244.57, 337.61 and 161.76 is: 223.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.57 : 337.61 = 161.76 : x
  2. Step 2: Convert to fraction form
    244.57/337.61 = 161.76/x
  3. Step 3: Cross multiply
    244.57x = 337.61 × 161.76
  4. Step 4: Simplify right side
    244.57x = 54,611.79
  5. Step 5: Solve for x
    x = 54,611.79/244.57
  6. Step 6: Final answer
    x = 223.30

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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.