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Finding the Fourth Proportional to 266,164.67, 398,914.83 and 133,082.97

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Solution

The fourth proportional to 266,164.67, 398,914.83 and 133,082.97 is: 199,458.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,164.67 : 398,914.83 = 133,082.97 : x
  2. Step 2: Convert to fraction form
    266,164.67/398,914.83 = 133,082.97/x
  3. Step 3: Cross multiply
    266,164.67x = 398,914.83 × 133,082.97
  4. Step 4: Simplify right side
    266,164.67x = 53,088,770,353.45
  5. Step 5: Solve for x
    x = 53,088,770,353.45/266,164.67
  6. Step 6: Final answer
    x = 199,458.37

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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.