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Finding the Fourth Proportional to 192,353.96, 288,584.10 and 80,086.95

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Solution

The fourth proportional to 192,353.96, 288,584.10 and 80,086.95 is: 120,152.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,353.96 : 288,584.10 = 80,086.95 : x
  2. Step 2: Convert to fraction form
    192,353.96/288,584.10 = 80,086.95/x
  3. Step 3: Cross multiply
    192,353.96x = 288,584.10 × 80,086.95
  4. Step 4: Simplify right side
    192,353.96x = 23,111,820,387.50
  5. Step 5: Solve for x
    x = 23,111,820,387.50/192,353.96
  6. Step 6: Final answer
    x = 120,152.56

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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.