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Finding the Fourth Proportional to 133,846.80, 200,770.20 and 131,773.20

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Solution

The fourth proportional to 133,846.80, 200,770.20 and 131,773.20 is: 197,659.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,846.80 : 200,770.20 = 131,773.20 : x
  2. Step 2: Convert to fraction form
    133,846.80/200,770.20 = 131,773.20/x
  3. Step 3: Cross multiply
    133,846.80x = 200,770.20 × 131,773.20
  4. Step 4: Simplify right side
    133,846.80x = 26,456,131,718.64
  5. Step 5: Solve for x
    x = 26,456,131,718.64/133,846.80
  6. Step 6: Final answer
    x = 197,659.80

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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.