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Finding the Fourth Proportional to 441,483.75, 662,231.97 and 125,940.69

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Solution

The fourth proportional to 441,483.75, 662,231.97 and 125,940.69 is: 188,912.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,483.75 : 662,231.97 = 125,940.69 : x
  2. Step 2: Convert to fraction form
    441,483.75/662,231.97 = 125,940.69/x
  3. Step 3: Cross multiply
    441,483.75x = 662,231.97 × 125,940.69
  4. Step 4: Simplify right side
    441,483.75x = 83,401,951,241.86
  5. Step 5: Solve for x
    x = 83,401,951,241.86/441,483.75
  6. Step 6: Final answer
    x = 188,912.85

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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.