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Finding the Fourth Proportional to 323.22, 484.93 and 106.75

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Solution

The fourth proportional to 323.22, 484.93 and 106.75 is: 160.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.22 : 484.93 = 106.75 : x
  2. Step 2: Convert to fraction form
    323.22/484.93 = 106.75/x
  3. Step 3: Cross multiply
    323.22x = 484.93 × 106.75
  4. Step 4: Simplify right side
    323.22x = 51,766.28
  5. Step 5: Solve for x
    x = 51,766.28/323.22
  6. Step 6: Final answer
    x = 160.16

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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.