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Finding the Fourth Proportional to 222.35, 333.30 and 106.63

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Solution

The fourth proportional to 222.35, 333.30 and 106.63 is: 159.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.35 : 333.30 = 106.63 : x
  2. Step 2: Convert to fraction form
    222.35/333.30 = 106.63/x
  3. Step 3: Cross multiply
    222.35x = 333.30 × 106.63
  4. Step 4: Simplify right side
    222.35x = 35,538.11
  5. Step 5: Solve for x
    x = 35,538.11/222.35
  6. Step 6: Final answer
    x = 159.83

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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.