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Finding the Fourth Proportional to 202,076.20, 303,114.30 and 198,620.20

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Solution

The fourth proportional to 202,076.20, 303,114.30 and 198,620.20 is: 297,930.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,076.20 : 303,114.30 = 198,620.20 : x
  2. Step 2: Convert to fraction form
    202,076.20/303,114.30 = 198,620.20/x
  3. Step 3: Cross multiply
    202,076.20x = 303,114.30 × 198,620.20
  4. Step 4: Simplify right side
    202,076.20x = 60,204,622,888.86
  5. Step 5: Solve for x
    x = 60,204,622,888.86/202,076.20
  6. Step 6: Final answer
    x = 297,930.30

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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.