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Finding the Fourth Proportional to 168,550.61, 252,650.95 and 79,736.54

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Solution

The fourth proportional to 168,550.61, 252,650.95 and 79,736.54 is: 119,522.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,550.61 : 252,650.95 = 79,736.54 : x
  2. Step 2: Convert to fraction form
    168,550.61/252,650.95 = 79,736.54/x
  3. Step 3: Cross multiply
    168,550.61x = 252,650.95 × 79,736.54
  4. Step 4: Simplify right side
    168,550.61x = 20,145,511,118.12
  5. Step 5: Solve for x
    x = 20,145,511,118.12/168,550.61
  6. Step 6: Final answer
    x = 119,522.03

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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.