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Finding the Fourth Proportional to 133,504.20, 200,183.40 and 54,529.20

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Solution

The fourth proportional to 133,504.20, 200,183.40 and 54,529.20 is: 81,764.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,504.20 : 200,183.40 = 54,529.20 : x
  2. Step 2: Convert to fraction form
    133,504.20/200,183.40 = 54,529.20/x
  3. Step 3: Cross multiply
    133,504.20x = 200,183.40 × 54,529.20
  4. Step 4: Simplify right side
    133,504.20x = 10,915,840,655.28
  5. Step 5: Solve for x
    x = 10,915,840,655.28/133,504.20
  6. Step 6: Final answer
    x = 81,764.02

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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.