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Finding the Fourth Proportional to 222.23, 333.35 and 106.67

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Solution

The fourth proportional to 222.23, 333.35 and 106.67 is: 160.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.23 : 333.35 = 106.67 : x
  2. Step 2: Convert to fraction form
    222.23/333.35 = 106.67/x
  3. Step 3: Cross multiply
    222.23x = 333.35 × 106.67
  4. Step 4: Simplify right side
    222.23x = 35,558.44
  5. Step 5: Solve for x
    x = 35,558.44/222.23
  6. Step 6: Final answer
    x = 160.01

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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.