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Finding the Fourth Proportional to 323.16, 484.82 and 106.73

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Solution

The fourth proportional to 323.16, 484.82 and 106.73 is: 160.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.16 : 484.82 = 106.73 : x
  2. Step 2: Convert to fraction form
    323.16/484.82 = 106.73/x
  3. Step 3: Cross multiply
    323.16x = 484.82 × 106.73
  4. Step 4: Simplify right side
    323.16x = 51,746.83
  5. Step 5: Solve for x
    x = 51,746.83/323.16
  6. Step 6: Final answer
    x = 160.13

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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.