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Finding the Fourth Proportional to 67,481.66, 101,222.86 and 17,558.66

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Solution

The fourth proportional to 67,481.66, 101,222.86 and 17,558.66 is: 26,338.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,481.66 : 101,222.86 = 17,558.66 : x
  2. Step 2: Convert to fraction form
    67,481.66/101,222.86 = 17,558.66/x
  3. Step 3: Cross multiply
    67,481.66x = 101,222.86 × 17,558.66
  4. Step 4: Simplify right side
    67,481.66x = 1,777,337,782.97
  5. Step 5: Solve for x
    x = 1,777,337,782.97/67,481.66
  6. Step 6: Final answer
    x = 26,338.09

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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.