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Finding the Fourth Proportional to 226,191.92, 312,183.24 and 130,753.94

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Solution

The fourth proportional to 226,191.92, 312,183.24 and 130,753.94 is: 180,462.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,191.92 : 312,183.24 = 130,753.94 : x
  2. Step 2: Convert to fraction form
    226,191.92/312,183.24 = 130,753.94/x
  3. Step 3: Cross multiply
    226,191.92x = 312,183.24 × 130,753.94
  4. Step 4: Simplify right side
    226,191.92x = 40,819,188,631.97
  5. Step 5: Solve for x
    x = 40,819,188,631.97/226,191.92
  6. Step 6: Final answer
    x = 180,462.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.