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Finding the Fourth Proportional to 333,093.58, 499,635.74 and 80,371.96

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Solution

The fourth proportional to 333,093.58, 499,635.74 and 80,371.96 is: 120,556.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,093.58 : 499,635.74 = 80,371.96 : x
  2. Step 2: Convert to fraction form
    333,093.58/499,635.74 = 80,371.96/x
  3. Step 3: Cross multiply
    333,093.58x = 499,635.74 × 80,371.96
  4. Step 4: Simplify right side
    333,093.58x = 40,156,703,709.85
  5. Step 5: Solve for x
    x = 40,156,703,709.85/333,093.58
  6. Step 6: Final answer
    x = 120,556.82

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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.