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Finding the Fourth Proportional to 184.68, 254.18 and 160.92

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Solution

The fourth proportional to 184.68, 254.18 and 160.92 is: 221.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.68 : 254.18 = 160.92 : x
  2. Step 2: Convert to fraction form
    184.68/254.18 = 160.92/x
  3. Step 3: Cross multiply
    184.68x = 254.18 × 160.92
  4. Step 4: Simplify right side
    184.68x = 40,902.65
  5. Step 5: Solve for x
    x = 40,902.65/184.68
  6. Step 6: Final answer
    x = 221.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.