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Finding the Fourth Proportional to 199,375.02, 275,142.73 and 108,734.80

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Solution

The fourth proportional to 199,375.02, 275,142.73 and 108,734.80 is: 150,056.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,375.02 : 275,142.73 = 108,734.80 : x
  2. Step 2: Convert to fraction form
    199,375.02/275,142.73 = 108,734.80/x
  3. Step 3: Cross multiply
    199,375.02x = 275,142.73 × 108,734.80
  4. Step 4: Simplify right side
    199,375.02x = 29,917,589,718.00
  5. Step 5: Solve for x
    x = 29,917,589,718.00/199,375.02
  6. Step 6: Final answer
    x = 150,056.86

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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.