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Finding the Fourth Proportional to 269.96, 372.12 and 237.16

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Solution

The fourth proportional to 269.96, 372.12 and 237.16 is: 326.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.96 : 372.12 = 237.16 : x
  2. Step 2: Convert to fraction form
    269.96/372.12 = 237.16/x
  3. Step 3: Cross multiply
    269.96x = 372.12 × 237.16
  4. Step 4: Simplify right side
    269.96x = 88,250.12
  5. Step 5: Solve for x
    x = 88,250.12/269.96
  6. Step 6: Final answer
    x = 326.90

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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.