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Finding the Fourth Proportional to 223.22, 334.76 and 67.00

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Solution

The fourth proportional to 223.22, 334.76 and 67.00 is: 100.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.22 : 334.76 = 67.00 : x
  2. Step 2: Convert to fraction form
    223.22/334.76 = 67.00/x
  3. Step 3: Cross multiply
    223.22x = 334.76 × 67.00
  4. Step 4: Simplify right side
    223.22x = 22,428.75
  5. Step 5: Solve for x
    x = 22,428.75/223.22
  6. Step 6: Final answer
    x = 100.48

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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.