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Finding the Fourth Proportional to 89,183.92, 133,789.72 and 30,014.97

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Solution

The fourth proportional to 89,183.92, 133,789.72 and 30,014.97 is: 45,027.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,183.92 : 133,789.72 = 30,014.97 : x
  2. Step 2: Convert to fraction form
    89,183.92/133,789.72 = 30,014.97/x
  3. Step 3: Cross multiply
    89,183.92x = 133,789.72 × 30,014.97
  4. Step 4: Simplify right side
    89,183.92x = 4,015,694,691.55
  5. Step 5: Solve for x
    x = 4,015,694,691.55/89,183.92
  6. Step 6: Final answer
    x = 45,027.12

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1.5x scale

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.