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Finding the Fourth Proportional to 192,033.30, 288,049.95 and 172,679.70

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Solution

The fourth proportional to 192,033.30, 288,049.95 and 172,679.70 is: 259,019.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,033.30 : 288,049.95 = 172,679.70 : x
  2. Step 2: Convert to fraction form
    192,033.30/288,049.95 = 172,679.70/x
  3. Step 3: Cross multiply
    192,033.30x = 288,049.95 × 172,679.70
  4. Step 4: Simplify right side
    192,033.30x = 49,740,378,951.02
  5. Step 5: Solve for x
    x = 49,740,378,951.02/192,033.30
  6. Step 6: Final answer
    x = 259,019.55

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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.