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Finding the Fourth Proportional to 267.41, 369.02 and 156.92

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Solution

The fourth proportional to 267.41, 369.02 and 156.92 is: 216.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.41 : 369.02 = 156.92 : x
  2. Step 2: Convert to fraction form
    267.41/369.02 = 156.92/x
  3. Step 3: Cross multiply
    267.41x = 369.02 × 156.92
  4. Step 4: Simplify right side
    267.41x = 57,905.17
  5. Step 5: Solve for x
    x = 57,905.17/267.41
  6. Step 6: Final answer
    x = 216.54

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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.