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Finding the Fourth Proportional to 202,454.80, 303,682.20 and 136,099.60

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Solution

The fourth proportional to 202,454.80, 303,682.20 and 136,099.60 is: 204,149.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,454.80 : 303,682.20 = 136,099.60 : x
  2. Step 2: Convert to fraction form
    202,454.80/303,682.20 = 136,099.60/x
  3. Step 3: Cross multiply
    202,454.80x = 303,682.20 × 136,099.60
  4. Step 4: Simplify right side
    202,454.80x = 41,331,025,947.12
  5. Step 5: Solve for x
    x = 41,331,025,947.12/202,454.80
  6. Step 6: Final answer
    x = 204,149.40

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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.