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Finding the Fourth Proportional to 267.53, 369.28 and 166.67

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Solution

The fourth proportional to 267.53, 369.28 and 166.67 is: 230.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.53 : 369.28 = 166.67 : x
  2. Step 2: Convert to fraction form
    267.53/369.28 = 166.67/x
  3. Step 3: Cross multiply
    267.53x = 369.28 × 166.67
  4. Step 4: Simplify right side
    267.53x = 61,546.05
  5. Step 5: Solve for x
    x = 61,546.05/267.53
  6. Step 6: Final answer
    x = 230.06

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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.