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Finding the Fourth Proportional to 222.01, 333.02 and 113.89

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Solution

The fourth proportional to 222.01, 333.02 and 113.89 is: 170.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.01 : 333.02 = 113.89 : x
  2. Step 2: Convert to fraction form
    222.01/333.02 = 113.89/x
  3. Step 3: Cross multiply
    222.01x = 333.02 × 113.89
  4. Step 4: Simplify right side
    222.01x = 37,927.08
  5. Step 5: Solve for x
    x = 37,927.08/222.01
  6. Step 6: Final answer
    x = 170.84

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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.