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Finding the Fourth Proportional to 269.63, 404.44 and 111.32

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Solution

The fourth proportional to 269.63, 404.44 and 111.32 is: 166.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.63 : 404.44 = 111.32 : x
  2. Step 2: Convert to fraction form
    269.63/404.44 = 111.32/x
  3. Step 3: Cross multiply
    269.63x = 404.44 × 111.32
  4. Step 4: Simplify right side
    269.63x = 45,024.38
  5. Step 5: Solve for x
    x = 45,024.38/269.63
  6. Step 6: Final answer
    x = 166.99

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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.