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Finding the Fourth Proportional to 223.24, 334.84 and 60.94

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Solution

The fourth proportional to 223.24, 334.84 and 60.94 is: 91.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.24 : 334.84 = 60.94 : x
  2. Step 2: Convert to fraction form
    223.24/334.84 = 60.94/x
  3. Step 3: Cross multiply
    223.24x = 334.84 × 60.94
  4. Step 4: Simplify right side
    223.24x = 20,405.15
  5. Step 5: Solve for x
    x = 20,405.15/223.24
  6. Step 6: Final answer
    x = 91.40

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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.