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Finding the Fourth Proportional to 273,618.70, 410,082.45 and 133,074.70

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Solution

The fourth proportional to 273,618.70, 410,082.45 and 133,074.70 is: 199,443.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,618.70 : 410,082.45 = 133,074.70 : x
  2. Step 2: Convert to fraction form
    273,618.70/410,082.45 = 133,074.70/x
  3. Step 3: Cross multiply
    273,618.70x = 410,082.45 × 133,074.70
  4. Step 4: Simplify right side
    273,618.70x = 54,571,599,009.02
  5. Step 5: Solve for x
    x = 54,571,599,009.02/273,618.70
  6. Step 6: Final answer
    x = 199,443.97

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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.