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Finding the Fourth Proportional to 222,082.40, 333,123.60 and 133,608.80

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Solution

The fourth proportional to 222,082.40, 333,123.60 and 133,608.80 is: 200,413.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,082.40 : 333,123.60 = 133,608.80 : x
  2. Step 2: Convert to fraction form
    222,082.40/333,123.60 = 133,608.80/x
  3. Step 3: Cross multiply
    222,082.40x = 333,123.60 × 133,608.80
  4. Step 4: Simplify right side
    222,082.40x = 44,508,244,447.68
  5. Step 5: Solve for x
    x = 44,508,244,447.68/222,082.40
  6. Step 6: Final answer
    x = 200,413.20

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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.