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Finding the Fourth Proportional to 246.96, 370.34 and 118.62

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Solution

The fourth proportional to 246.96, 370.34 and 118.62 is: 177.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.96 : 370.34 = 118.62 : x
  2. Step 2: Convert to fraction form
    246.96/370.34 = 118.62/x
  3. Step 3: Cross multiply
    246.96x = 370.34 × 118.62
  4. Step 4: Simplify right side
    246.96x = 43,929.73
  5. Step 5: Solve for x
    x = 43,929.73/246.96
  6. Step 6: Final answer
    x = 177.88

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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.