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Finding the Fourth Proportional to 192,183.84, 288,276.79 and 126,042.82

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Solution

The fourth proportional to 192,183.84, 288,276.79 and 126,042.82 is: 189,064.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,183.84 : 288,276.79 = 126,042.82 : x
  2. Step 2: Convert to fraction form
    192,183.84/288,276.79 = 126,042.82/x
  3. Step 3: Cross multiply
    192,183.84x = 288,276.79 × 126,042.82
  4. Step 4: Simplify right side
    192,183.84x = 36,335,219,552.15
  5. Step 5: Solve for x
    x = 36,335,219,552.15/192,183.84
  6. Step 6: Final answer
    x = 189,064.91

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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.