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Finding the Fourth Proportional to 269.66, 372.24 and 176.37

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Solution

The fourth proportional to 269.66, 372.24 and 176.37 is: 243.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.66 : 372.24 = 176.37 : x
  2. Step 2: Convert to fraction form
    269.66/372.24 = 176.37/x
  3. Step 3: Cross multiply
    269.66x = 372.24 × 176.37
  4. Step 4: Simplify right side
    269.66x = 65,651.97
  5. Step 5: Solve for x
    x = 65,651.97/269.66
  6. Step 6: Final answer
    x = 243.47

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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.