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Finding the Fourth Proportional to 269.92, 372.35 and 176.82

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Solution

The fourth proportional to 269.92, 372.35 and 176.82 is: 243.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.92 : 372.35 = 176.82 : x
  2. Step 2: Convert to fraction form
    269.92/372.35 = 176.82/x
  3. Step 3: Cross multiply
    269.92x = 372.35 × 176.82
  4. Step 4: Simplify right side
    269.92x = 65,836.98
  5. Step 5: Solve for x
    x = 65,836.98/269.92
  6. Step 6: Final answer
    x = 243.92

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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.