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Finding the Fourth Proportional to 267.75, 369.50 and 164.25

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Solution

The fourth proportional to 267.75, 369.50 and 164.25 is: 226.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.75 : 369.50 = 164.25 : x
  2. Step 2: Convert to fraction form
    267.75/369.50 = 164.25/x
  3. Step 3: Cross multiply
    267.75x = 369.50 × 164.25
  4. Step 4: Simplify right side
    267.75x = 60,690.38
  5. Step 5: Solve for x
    x = 60,690.38/267.75
  6. Step 6: Final answer
    x = 226.67

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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.