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Finding the Fourth Proportional to 222.73, 333.99 and 92.71

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Solution

The fourth proportional to 222.73, 333.99 and 92.71 is: 139.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.73 : 333.99 = 92.71 : x
  2. Step 2: Convert to fraction form
    222.73/333.99 = 92.71/x
  3. Step 3: Cross multiply
    222.73x = 333.99 × 92.71
  4. Step 4: Simplify right side
    222.73x = 30,964.21
  5. Step 5: Solve for x
    x = 30,964.21/222.73
  6. Step 6: Final answer
    x = 139.02

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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.