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Finding the Fourth Proportional to 222.74, 334.09 and 60.44

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Solution

The fourth proportional to 222.74, 334.09 and 60.44 is: 90.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.74 : 334.09 = 60.44 : x
  2. Step 2: Convert to fraction form
    222.74/334.09 = 60.44/x
  3. Step 3: Cross multiply
    222.74x = 334.09 × 60.44
  4. Step 4: Simplify right side
    222.74x = 20,192.40
  5. Step 5: Solve for x
    x = 20,192.40/222.74
  6. Step 6: Final answer
    x = 90.65

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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.