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Finding the Fourth Proportional to 267.02, 401.26 and 164.36

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Solution

The fourth proportional to 267.02, 401.26 and 164.36 is: 246.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.02 : 401.26 = 164.36 : x
  2. Step 2: Convert to fraction form
    267.02/401.26 = 164.36/x
  3. Step 3: Cross multiply
    267.02x = 401.26 × 164.36
  4. Step 4: Simplify right side
    267.02x = 65,951.09
  5. Step 5: Solve for x
    x = 65,951.09/267.02
  6. Step 6: Final answer
    x = 246.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.