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Finding the Fourth Proportional to 199,895.70, 275,855.42 and 109,251.66

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Solution

The fourth proportional to 199,895.70, 275,855.42 and 109,251.66 is: 150,766.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,895.70 : 275,855.42 = 109,251.66 : x
  2. Step 2: Convert to fraction form
    199,895.70/275,855.42 = 109,251.66/x
  3. Step 3: Cross multiply
    199,895.70x = 275,855.42 × 109,251.66
  4. Step 4: Simplify right side
    199,895.70x = 30,137,662,555.00
  5. Step 5: Solve for x
    x = 30,137,662,555.00/199,895.70
  6. Step 6: Final answer
    x = 150,766.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.