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Finding the Fourth Proportional to 223.67, 335.50 and 61.35

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Solution

The fourth proportional to 223.67, 335.50 and 61.35 is: 92.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.67 : 335.50 = 61.35 : x
  2. Step 2: Convert to fraction form
    223.67/335.50 = 61.35/x
  3. Step 3: Cross multiply
    223.67x = 335.50 × 61.35
  4. Step 4: Simplify right side
    223.67x = 20,582.93
  5. Step 5: Solve for x
    x = 20,582.93/223.67
  6. Step 6: Final answer
    x = 92.02

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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.