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Finding the Fourth Proportional to 202,079.80, 303,702.90 and 198,580.60

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Solution

The fourth proportional to 202,079.80, 303,702.90 and 198,580.60 is: 298,444.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,079.80 : 303,702.90 = 198,580.60 : x
  2. Step 2: Convert to fraction form
    202,079.80/303,702.90 = 198,580.60/x
  3. Step 3: Cross multiply
    202,079.80x = 303,702.90 × 198,580.60
  4. Step 4: Simplify right side
    202,079.80x = 60,309,504,103.74
  5. Step 5: Solve for x
    x = 60,309,504,103.74/202,079.80
  6. Step 6: Final answer
    x = 298,444.00

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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.