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Finding the Fourth Proportional to 267.41, 369.01 and 156.88

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Solution

The fourth proportional to 267.41, 369.01 and 156.88 is: 216.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.41 : 369.01 = 156.88 : x
  2. Step 2: Convert to fraction form
    267.41/369.01 = 156.88/x
  3. Step 3: Cross multiply
    267.41x = 369.01 × 156.88
  4. Step 4: Simplify right side
    267.41x = 57,888.97
  5. Step 5: Solve for x
    x = 57,888.97/267.41
  6. Step 6: Final answer
    x = 216.48

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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.