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Finding the Fourth Proportional to 202,158.46, 303,205.55 and 67,211.32

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Solution

The fourth proportional to 202,158.46, 303,205.55 and 67,211.32 is: 100,806.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,158.46 : 303,205.55 = 67,211.32 : x
  2. Step 2: Convert to fraction form
    202,158.46/303,205.55 = 67,211.32/x
  3. Step 3: Cross multiply
    202,158.46x = 303,205.55 × 67,211.32
  4. Step 4: Simplify right side
    202,158.46x = 20,378,844,278.78
  5. Step 5: Solve for x
    x = 20,378,844,278.78/202,158.46
  6. Step 6: Final answer
    x = 100,806.29

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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.