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Finding the Fourth Proportional to 223.34, 335.26 and 168.67

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Solution

The fourth proportional to 223.34, 335.26 and 168.67 is: 253.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.34 : 335.26 = 168.67 : x
  2. Step 2: Convert to fraction form
    223.34/335.26 = 168.67/x
  3. Step 3: Cross multiply
    223.34x = 335.26 × 168.67
  4. Step 4: Simplify right side
    223.34x = 56,548.94
  5. Step 5: Solve for x
    x = 56,548.94/223.34
  6. Step 6: Final answer
    x = 253.19

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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.