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Finding the Fourth Proportional to 80,601.48, 120,881.48 and 33,230.03

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Solution

The fourth proportional to 80,601.48, 120,881.48 and 33,230.03 is: 49,836.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,601.48 : 120,881.48 = 33,230.03 : x
  2. Step 2: Convert to fraction form
    80,601.48/120,881.48 = 33,230.03/x
  3. Step 3: Cross multiply
    80,601.48x = 120,881.48 × 33,230.03
  4. Step 4: Simplify right side
    80,601.48x = 4,016,895,206.84
  5. Step 5: Solve for x
    x = 4,016,895,206.84/80,601.48
  6. Step 6: Final answer
    x = 49,836.50

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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.