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Finding the Fourth Proportional to 262,793.12, 394,191.84 and 113,023.04

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Solution

The fourth proportional to 262,793.12, 394,191.84 and 113,023.04 is: 169,535.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,793.12 : 394,191.84 = 113,023.04 : x
  2. Step 2: Convert to fraction form
    262,793.12/394,191.84 = 113,023.04/x
  3. Step 3: Cross multiply
    262,793.12x = 394,191.84 × 113,023.04
  4. Step 4: Simplify right side
    262,793.12x = 44,552,760,099.99
  5. Step 5: Solve for x
    x = 44,552,760,099.99/262,793.12
  6. Step 6: Final answer
    x = 169,535.49

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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.