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Finding the Fourth Proportional to 267.65, 369.36 and 162.74

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Solution

The fourth proportional to 267.65, 369.36 and 162.74 is: 224.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.65 : 369.36 = 162.74 : x
  2. Step 2: Convert to fraction form
    267.65/369.36 = 162.74/x
  3. Step 3: Cross multiply
    267.65x = 369.36 × 162.74
  4. Step 4: Simplify right side
    267.65x = 60,110.57
  5. Step 5: Solve for x
    x = 60,110.57/267.65
  6. Step 6: Final answer
    x = 224.59

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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.