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Finding the Fourth Proportional to 131,769.80, 197,654.70 and 33,273.80

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Solution

The fourth proportional to 131,769.80, 197,654.70 and 33,273.80 is: 49,910.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,769.80 : 197,654.70 = 33,273.80 : x
  2. Step 2: Convert to fraction form
    131,769.80/197,654.70 = 33,273.80/x
  3. Step 3: Cross multiply
    131,769.80x = 197,654.70 × 33,273.80
  4. Step 4: Simplify right side
    131,769.80x = 6,576,722,956.86
  5. Step 5: Solve for x
    x = 6,576,722,956.86/131,769.80
  6. Step 6: Final answer
    x = 49,910.70

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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.