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Finding the Fourth Proportional to 269.67, 372.13 and 181.24

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Solution

The fourth proportional to 269.67, 372.13 and 181.24 is: 250.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.67 : 372.13 = 181.24 : x
  2. Step 2: Convert to fraction form
    269.67/372.13 = 181.24/x
  3. Step 3: Cross multiply
    269.67x = 372.13 × 181.24
  4. Step 4: Simplify right side
    269.67x = 67,444.84
  5. Step 5: Solve for x
    x = 67,444.84/269.67
  6. Step 6: Final answer
    x = 250.10

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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.