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Finding the Fourth Proportional to 193.11, 267 and 190.02

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Solution

The fourth proportional to 193.11, 267 and 190.02 is: 262.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.11 : 267 = 190.02 : x
  2. Step 2: Convert to fraction form
    193.11/267 = 190.02/x
  3. Step 3: Cross multiply
    193.11x = 267 × 190.02
  4. Step 4: Simplify right side
    193.11x = 50,735.34
  5. Step 5: Solve for x
    x = 50,735.34/193.11
  6. Step 6: Final answer
    x = 262.73

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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.