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Finding the Fourth Proportional to 223.06, 334.56 and 60.75

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Solution

The fourth proportional to 223.06, 334.56 and 60.75 is: 91.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.06 : 334.56 = 60.75 : x
  2. Step 2: Convert to fraction form
    223.06/334.56 = 60.75/x
  3. Step 3: Cross multiply
    223.06x = 334.56 × 60.75
  4. Step 4: Simplify right side
    223.06x = 20,324.52
  5. Step 5: Solve for x
    x = 20,324.52/223.06
  6. Step 6: Final answer
    x = 91.12

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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.