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Finding the Fourth Proportional to 151, 226.44 and 73.94

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Solution

The fourth proportional to 151, 226.44 and 73.94 is: 110.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    151 : 226.44 = 73.94 : x
  2. Step 2: Convert to fraction form
    151/226.44 = 73.94/x
  3. Step 3: Cross multiply
    151x = 226.44 × 73.94
  4. Step 4: Simplify right side
    151x = 16,742.97
  5. Step 5: Solve for x
    x = 16,742.97/151
  6. Step 6: Final answer
    x = 110.88

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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.