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Finding the Fourth Proportional to 133,390.62, 200,086.28 and 54,504.85

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Solution

The fourth proportional to 133,390.62, 200,086.28 and 54,504.85 is: 81,757.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,390.62 : 200,086.28 = 54,504.85 : x
  2. Step 2: Convert to fraction form
    133,390.62/200,086.28 = 54,504.85/x
  3. Step 3: Cross multiply
    133,390.62x = 200,086.28 × 54,504.85
  4. Step 4: Simplify right side
    133,390.62x = 10,905,672,331.98
  5. Step 5: Solve for x
    x = 10,905,672,331.98/133,390.62
  6. Step 6: Final answer
    x = 81,757.41

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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.