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Finding the Fourth Proportional to 267.69, 369.44 and 151.26

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Solution

The fourth proportional to 267.69, 369.44 and 151.26 is: 208.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.69 : 369.44 = 151.26 : x
  2. Step 2: Convert to fraction form
    267.69/369.44 = 151.26/x
  3. Step 3: Cross multiply
    267.69x = 369.44 × 151.26
  4. Step 4: Simplify right side
    267.69x = 55,880.38
  5. Step 5: Solve for x
    x = 55,880.38/267.69
  6. Step 6: Final answer
    x = 208.75

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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.