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Finding the Fourth Proportional to 303,319.11, 454,939.02 and 90,082.67

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Solution

The fourth proportional to 303,319.11, 454,939.02 and 90,082.67 is: 135,112.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,319.11 : 454,939.02 = 90,082.67 : x
  2. Step 2: Convert to fraction form
    303,319.11/454,939.02 = 90,082.67/x
  3. Step 3: Cross multiply
    303,319.11x = 454,939.02 × 90,082.67
  4. Step 4: Simplify right side
    303,319.11x = 40,982,121,608.78
  5. Step 5: Solve for x
    x = 40,982,121,608.78/303,319.11
  6. Step 6: Final answer
    x = 135,112.23

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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.