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Finding the Fourth Proportional to 195.36, 268.75 and 168.93

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Solution

The fourth proportional to 195.36, 268.75 and 168.93 is: 232.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.36 : 268.75 = 168.93 : x
  2. Step 2: Convert to fraction form
    195.36/268.75 = 168.93/x
  3. Step 3: Cross multiply
    195.36x = 268.75 × 168.93
  4. Step 4: Simplify right side
    195.36x = 45,399.09
  5. Step 5: Solve for x
    x = 45,399.09/195.36
  6. Step 6: Final answer
    x = 232.39

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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.