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Finding the Fourth Proportional to 193.28, 267 and 164.24

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Solution

The fourth proportional to 193.28, 267 and 164.24 is: 226.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.28 : 267 = 164.24 : x
  2. Step 2: Convert to fraction form
    193.28/267 = 164.24/x
  3. Step 3: Cross multiply
    193.28x = 267 × 164.24
  4. Step 4: Simplify right side
    193.28x = 43,852.08
  5. Step 5: Solve for x
    x = 43,852.08/193.28
  6. Step 6: Final answer
    x = 226.88

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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.