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Finding the Fourth Proportional to 195.24, 269.31 and 116.51

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Solution

The fourth proportional to 195.24, 269.31 and 116.51 is: 160.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.24 : 269.31 = 116.51 : x
  2. Step 2: Convert to fraction form
    195.24/269.31 = 116.51/x
  3. Step 3: Cross multiply
    195.24x = 269.31 × 116.51
  4. Step 4: Simplify right side
    195.24x = 31,376.40
  5. Step 5: Solve for x
    x = 31,376.40/195.24
  6. Step 6: Final answer
    x = 160.70

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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.