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Finding the Fourth Proportional to 166,818.80, 250,229.82 and 133,455.98

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Solution

The fourth proportional to 166,818.80, 250,229.82 and 133,455.98 is: 200,185.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,818.80 : 250,229.82 = 133,455.98 : x
  2. Step 2: Convert to fraction form
    166,818.80/250,229.82 = 133,455.98/x
  3. Step 3: Cross multiply
    166,818.80x = 250,229.82 × 133,455.98
  4. Step 4: Simplify right side
    166,818.80x = 33,394,665,853.32
  5. Step 5: Solve for x
    x = 33,394,665,853.32/166,818.80
  6. Step 6: Final answer
    x = 200,185.27

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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.