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Finding the Fourth Proportional to 223.69, 335.37 and 93.76

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Solution

The fourth proportional to 223.69, 335.37 and 93.76 is: 140.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.69 : 335.37 = 93.76 : x
  2. Step 2: Convert to fraction form
    223.69/335.37 = 93.76/x
  3. Step 3: Cross multiply
    223.69x = 335.37 × 93.76
  4. Step 4: Simplify right side
    223.69x = 31,444.29
  5. Step 5: Solve for x
    x = 31,444.29/223.69
  6. Step 6: Final answer
    x = 140.57

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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.