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Finding the Fourth Proportional to 168,650.77, 252,954.21 and 79,960.63

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Solution

The fourth proportional to 168,650.77, 252,954.21 and 79,960.63 is: 119,930.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,650.77 : 252,954.21 = 79,960.63 : x
  2. Step 2: Convert to fraction form
    168,650.77/252,954.21 = 79,960.63/x
  3. Step 3: Cross multiply
    168,650.77x = 252,954.21 × 79,960.63
  4. Step 4: Simplify right side
    168,650.77x = 20,226,376,727.98
  5. Step 5: Solve for x
    x = 20,226,376,727.98/168,650.77
  6. Step 6: Final answer
    x = 119,930.54

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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.