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Finding the Fourth Proportional to 199,924.80, 275,903.60 and 109,286.80

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Solution

The fourth proportional to 199,924.80, 275,903.60 and 109,286.80 is: 150,819.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,924.80 : 275,903.60 = 109,286.80 : x
  2. Step 2: Convert to fraction form
    199,924.80/275,903.60 = 109,286.80/x
  3. Step 3: Cross multiply
    199,924.80x = 275,903.60 × 109,286.80
  4. Step 4: Simplify right side
    199,924.80x = 30,152,621,552.48
  5. Step 5: Solve for x
    x = 30,152,621,552.48/199,924.80
  6. Step 6: Final answer
    x = 150,819.82

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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.