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Finding the Fourth Proportional to 323.26, 484.98 and 106.84

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Solution

The fourth proportional to 323.26, 484.98 and 106.84 is: 160.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.26 : 484.98 = 106.84 : x
  2. Step 2: Convert to fraction form
    323.26/484.98 = 106.84/x
  3. Step 3: Cross multiply
    323.26x = 484.98 × 106.84
  4. Step 4: Simplify right side
    323.26x = 51,815.26
  5. Step 5: Solve for x
    x = 51,815.26/323.26
  6. Step 6: Final answer
    x = 160.29

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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.