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Finding the Fourth Proportional to 222.32, 333.27 and 106.70

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Solution

The fourth proportional to 222.32, 333.27 and 106.70 is: 159.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.32 : 333.27 = 106.70 : x
  2. Step 2: Convert to fraction form
    222.32/333.27 = 106.70/x
  3. Step 3: Cross multiply
    222.32x = 333.27 × 106.70
  4. Step 4: Simplify right side
    222.32x = 35,558.24
  5. Step 5: Solve for x
    x = 35,558.24/222.32
  6. Step 6: Final answer
    x = 159.95

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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.