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Finding the Fourth Proportional to 192,469.10, 288,684.20 and 67,800.38

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Solution

The fourth proportional to 192,469.10, 288,684.20 and 67,800.38 is: 101,693.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,469.10 : 288,684.20 = 67,800.38 : x
  2. Step 2: Convert to fraction form
    192,469.10/288,684.20 = 67,800.38/x
  3. Step 3: Cross multiply
    192,469.10x = 288,684.20 × 67,800.38
  4. Step 4: Simplify right side
    192,469.10x = 19,572,897,186.08
  5. Step 5: Solve for x
    x = 19,572,897,186.08/192,469.10
  6. Step 6: Final answer
    x = 101,693.71

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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.