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Finding the Fourth Proportional to 267.23, 369 and 169.16

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Solution

The fourth proportional to 267.23, 369 and 169.16 is: 233.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.23 : 369 = 169.16 : x
  2. Step 2: Convert to fraction form
    267.23/369 = 169.16/x
  3. Step 3: Cross multiply
    267.23x = 369 × 169.16
  4. Step 4: Simplify right side
    267.23x = 62,418.20
  5. Step 5: Solve for x
    x = 62,418.20/267.23
  6. Step 6: Final answer
    x = 233.58

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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.