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Finding the Fourth Proportional to 202,239.60, 303,213.60 and 113,520.30

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Solution

The fourth proportional to 202,239.60, 303,213.60 and 113,520.30 is: 170,198.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,239.60 : 303,213.60 = 113,520.30 : x
  2. Step 2: Convert to fraction form
    202,239.60/303,213.60 = 113,520.30/x
  3. Step 3: Cross multiply
    202,239.60x = 303,213.60 × 113,520.30
  4. Step 4: Simplify right side
    202,239.60x = 34,420,898,836.08
  5. Step 5: Solve for x
    x = 34,420,898,836.08/202,239.60
  6. Step 6: Final answer
    x = 170,198.61

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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.