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Finding the Fourth Proportional to 199,361.52, 275,125.50 and 108,722.42

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Solution

The fourth proportional to 199,361.52, 275,125.50 and 108,722.42 is: 150,040.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,361.52 : 275,125.50 = 108,722.42 : x
  2. Step 2: Convert to fraction form
    199,361.52/275,125.50 = 108,722.42/x
  3. Step 3: Cross multiply
    199,361.52x = 275,125.50 × 108,722.42
  4. Step 4: Simplify right side
    199,361.52x = 29,912,310,163.71
  5. Step 5: Solve for x
    x = 29,912,310,163.71/199,361.52
  6. Step 6: Final answer
    x = 150,040.54

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1.5x scale

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.