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Finding the Fourth Proportional to 244.81, 337.60 and 161.92

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Solution

The fourth proportional to 244.81, 337.60 and 161.92 is: 223.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.81 : 337.60 = 161.92 : x
  2. Step 2: Convert to fraction form
    244.81/337.60 = 161.92/x
  3. Step 3: Cross multiply
    244.81x = 337.60 × 161.92
  4. Step 4: Simplify right side
    244.81x = 54,664.19
  5. Step 5: Solve for x
    x = 54,664.19/244.81
  6. Step 6: Final answer
    x = 223.29

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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.