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Finding the Fourth Proportional to 222.29, 333.21 and 114.02

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Solution

The fourth proportional to 222.29, 333.21 and 114.02 is: 170.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.29 : 333.21 = 114.02 : x
  2. Step 2: Convert to fraction form
    222.29/333.21 = 114.02/x
  3. Step 3: Cross multiply
    222.29x = 333.21 × 114.02
  4. Step 4: Simplify right side
    222.29x = 37,992.60
  5. Step 5: Solve for x
    x = 37,992.60/222.29
  6. Step 6: Final answer
    x = 170.91

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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.