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Finding the Fourth Proportional to 193.17, 268.01 and 191.37

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Solution

The fourth proportional to 193.17, 268.01 and 191.37 is: 265.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.17 : 268.01 = 191.37 : x
  2. Step 2: Convert to fraction form
    193.17/268.01 = 191.37/x
  3. Step 3: Cross multiply
    193.17x = 268.01 × 191.37
  4. Step 4: Simplify right side
    193.17x = 51,288.12
  5. Step 5: Solve for x
    x = 51,288.12/193.17
  6. Step 6: Final answer
    x = 265.51

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.