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Finding the Fourth Proportional to 222.88, 334.32 and 60.58

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Solution

The fourth proportional to 222.88, 334.32 and 60.58 is: 90.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.88 : 334.32 = 60.58 : x
  2. Step 2: Convert to fraction form
    222.88/334.32 = 60.58/x
  3. Step 3: Cross multiply
    222.88x = 334.32 × 60.58
  4. Step 4: Simplify right side
    222.88x = 20,253.11
  5. Step 5: Solve for x
    x = 20,253.11/222.88
  6. Step 6: Final answer
    x = 90.87

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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.