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Finding the Fourth Proportional to 222.67, 334.13 and 92.65

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Solution

The fourth proportional to 222.67, 334.13 and 92.65 is: 139.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.67 : 334.13 = 92.65 : x
  2. Step 2: Convert to fraction form
    222.67/334.13 = 92.65/x
  3. Step 3: Cross multiply
    222.67x = 334.13 × 92.65
  4. Step 4: Simplify right side
    222.67x = 30,957.14
  5. Step 5: Solve for x
    x = 30,957.14/222.67
  6. Step 6: Final answer
    x = 139.03

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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.