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Finding the Fourth Proportional to 202,311.80, 303,813.30 and 132,500.60

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Solution

The fourth proportional to 202,311.80, 303,813.30 and 132,500.60 is: 198,977.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,311.80 : 303,813.30 = 132,500.60 : x
  2. Step 2: Convert to fraction form
    202,311.80/303,813.30 = 132,500.60/x
  3. Step 3: Cross multiply
    202,311.80x = 303,813.30 × 132,500.60
  4. Step 4: Simplify right side
    202,311.80x = 40,255,444,537.98
  5. Step 5: Solve for x
    x = 40,255,444,537.98/202,311.80
  6. Step 6: Final answer
    x = 198,977.24

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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.