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Finding the Fourth Proportional to 222.89, 334.28 and 60.59

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Solution

The fourth proportional to 222.89, 334.28 and 60.59 is: 90.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.89 : 334.28 = 60.59 : x
  2. Step 2: Convert to fraction form
    222.89/334.28 = 60.59/x
  3. Step 3: Cross multiply
    222.89x = 334.28 × 60.59
  4. Step 4: Simplify right side
    222.89x = 20,252.05
  5. Step 5: Solve for x
    x = 20,252.05/222.89
  6. Step 6: Final answer
    x = 90.86

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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.