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Finding the Fourth Proportional to 61,169.37, 91,738.86 and 16,793.92

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Solution

The fourth proportional to 61,169.37, 91,738.86 and 16,793.92 is: 25,186.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,169.37 : 91,738.86 = 16,793.92 : x
  2. Step 2: Convert to fraction form
    61,169.37/91,738.86 = 16,793.92/x
  3. Step 3: Cross multiply
    61,169.37x = 91,738.86 × 16,793.92
  4. Step 4: Simplify right side
    61,169.37x = 1,540,655,075.73
  5. Step 5: Solve for x
    x = 1,540,655,075.73/61,169.37
  6. Step 6: Final answer
    x = 25,186.71

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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.