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Finding the Fourth Proportional to 222.33, 333.70 and 168.06

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Solution

The fourth proportional to 222.33, 333.70 and 168.06 is: 252.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.33 : 333.70 = 168.06 : x
  2. Step 2: Convert to fraction form
    222.33/333.70 = 168.06/x
  3. Step 3: Cross multiply
    222.33x = 333.70 × 168.06
  4. Step 4: Simplify right side
    222.33x = 56,081.62
  5. Step 5: Solve for x
    x = 56,081.62/222.33
  6. Step 6: Final answer
    x = 252.24

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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.