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Finding the Fourth Proportional to 269.54, 404.50 and 107.27

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Solution

The fourth proportional to 269.54, 404.50 and 107.27 is: 160.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.54 : 404.50 = 107.27 : x
  2. Step 2: Convert to fraction form
    269.54/404.50 = 107.27/x
  3. Step 3: Cross multiply
    269.54x = 404.50 × 107.27
  4. Step 4: Simplify right side
    269.54x = 43,390.72
  5. Step 5: Solve for x
    x = 43,390.72/269.54
  6. Step 6: Final answer
    x = 160.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.