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Finding the Fourth Proportional to 222.52, 333.56 and 114.28

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Solution

The fourth proportional to 222.52, 333.56 and 114.28 is: 171.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.52 : 333.56 = 114.28 : x
  2. Step 2: Convert to fraction form
    222.52/333.56 = 114.28/x
  3. Step 3: Cross multiply
    222.52x = 333.56 × 114.28
  4. Step 4: Simplify right side
    222.52x = 38,119.24
  5. Step 5: Solve for x
    x = 38,119.24/222.52
  6. Step 6: Final answer
    x = 171.31

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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.