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Finding the Fourth Proportional to 192,608.20, 288,797.10 and 99,296.20

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Solution

The fourth proportional to 192,608.20, 288,797.10 and 99,296.20 is: 148,884.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,608.20 : 288,797.10 = 99,296.20 : x
  2. Step 2: Convert to fraction form
    192,608.20/288,797.10 = 99,296.20/x
  3. Step 3: Cross multiply
    192,608.20x = 288,797.10 × 99,296.20
  4. Step 4: Simplify right side
    192,608.20x = 28,676,454,601.02
  5. Step 5: Solve for x
    x = 28,676,454,601.02/192,608.20
  6. Step 6: Final answer
    x = 148,884.91

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1.5x scale

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.