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Finding the Fourth Proportional to 195.14, 269.30 and 146.16

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Solution

The fourth proportional to 195.14, 269.30 and 146.16 is: 201.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.14 : 269.30 = 146.16 : x
  2. Step 2: Convert to fraction form
    195.14/269.30 = 146.16/x
  3. Step 3: Cross multiply
    195.14x = 269.30 × 146.16
  4. Step 4: Simplify right side
    195.14x = 39,360.16
  5. Step 5: Solve for x
    x = 39,360.16/195.14
  6. Step 6: Final answer
    x = 201.71

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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.