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Finding the Fourth Proportional to 249.48, 374.58 and 162.54

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Solution

The fourth proportional to 249.48, 374.58 and 162.54 is: 244.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.48 : 374.58 = 162.54 : x
  2. Step 2: Convert to fraction form
    249.48/374.58 = 162.54/x
  3. Step 3: Cross multiply
    249.48x = 374.58 × 162.54
  4. Step 4: Simplify right side
    249.48x = 60,884.23
  5. Step 5: Solve for x
    x = 60,884.23/249.48
  6. Step 6: Final answer
    x = 244.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.