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Finding the Fourth Proportional to 181.96, 251.46 and 146.92

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Solution

The fourth proportional to 181.96, 251.46 and 146.92 is: 203.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    181.96 : 251.46 = 146.92 : x
  2. Step 2: Convert to fraction form
    181.96/251.46 = 146.92/x
  3. Step 3: Cross multiply
    181.96x = 251.46 × 146.92
  4. Step 4: Simplify right side
    181.96x = 36,944.50
  5. Step 5: Solve for x
    x = 36,944.50/181.96
  6. Step 6: Final answer
    x = 203.04

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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.