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Finding the Fourth Proportional to 192,469.96, 288,691.98 and 67,794.76

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Solution

The fourth proportional to 192,469.96, 288,691.98 and 67,794.76 is: 101,687.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,469.96 : 288,691.98 = 67,794.76 : x
  2. Step 2: Convert to fraction form
    192,469.96/288,691.98 = 67,794.76/x
  3. Step 3: Cross multiply
    192,469.96x = 288,691.98 × 67,794.76
  4. Step 4: Simplify right side
    192,469.96x = 19,571,803,498.02
  5. Step 5: Solve for x
    x = 19,571,803,498.02/192,469.96
  6. Step 6: Final answer
    x = 101,687.58

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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.