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Finding the Fourth Proportional to 267.86, 369.62 and 151.41

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Solution

The fourth proportional to 267.86, 369.62 and 151.41 is: 208.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.86 : 369.62 = 151.41 : x
  2. Step 2: Convert to fraction form
    267.86/369.62 = 151.41/x
  3. Step 3: Cross multiply
    267.86x = 369.62 × 151.41
  4. Step 4: Simplify right side
    267.86x = 55,963.41
  5. Step 5: Solve for x
    x = 55,963.41/267.86
  6. Step 6: Final answer
    x = 208.93

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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.