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Finding the Fourth Proportional to 244.80, 337.92 and 162

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Solution

The fourth proportional to 244.80, 337.92 and 162 is: 223.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.80 : 337.92 = 162 : x
  2. Step 2: Convert to fraction form
    244.80/337.92 = 162/x
  3. Step 3: Cross multiply
    244.80x = 337.92 × 162
  4. Step 4: Simplify right side
    244.80x = 54,743.04
  5. Step 5: Solve for x
    x = 54,743.04/244.80
  6. Step 6: Final answer
    x = 223.62

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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.