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Finding the Fourth Proportional to 222.52, 334.04 and 186.88

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Solution

The fourth proportional to 222.52, 334.04 and 186.88 is: 280.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.52 : 334.04 = 186.88 : x
  2. Step 2: Convert to fraction form
    222.52/334.04 = 186.88/x
  3. Step 3: Cross multiply
    222.52x = 334.04 × 186.88
  4. Step 4: Simplify right side
    222.52x = 62,425.40
  5. Step 5: Solve for x
    x = 62,425.40/222.52
  6. Step 6: Final answer
    x = 280.54

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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.