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Finding the Fourth Proportional to 70,604.60, 105,906.94 and 44,327.80

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Solution

The fourth proportional to 70,604.60, 105,906.94 and 44,327.80 is: 66,491.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,604.60 : 105,906.94 = 44,327.80 : x
  2. Step 2: Convert to fraction form
    70,604.60/105,906.94 = 44,327.80/x
  3. Step 3: Cross multiply
    70,604.60x = 105,906.94 × 44,327.80
  4. Step 4: Simplify right side
    70,604.60x = 4,694,621,654.93
  5. Step 5: Solve for x
    x = 4,694,621,654.93/70,604.60
  6. Step 6: Final answer
    x = 66,491.73

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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.