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Finding the Fourth Proportional to 274.01, 411.01 and 119.96

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Solution

The fourth proportional to 274.01, 411.01 and 119.96 is: 179.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    274.01 : 411.01 = 119.96 : x
  2. Step 2: Convert to fraction form
    274.01/411.01 = 119.96/x
  3. Step 3: Cross multiply
    274.01x = 411.01 × 119.96
  4. Step 4: Simplify right side
    274.01x = 49,304.76
  5. Step 5: Solve for x
    x = 49,304.76/274.01
  6. Step 6: Final answer
    x = 179.94

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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.