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Finding the Fourth Proportional to 168,803.92, 253,132.03 and 80,082.73

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Solution

The fourth proportional to 168,803.92, 253,132.03 and 80,082.73 is: 120,089.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,803.92 : 253,132.03 = 80,082.73 : x
  2. Step 2: Convert to fraction form
    168,803.92/253,132.03 = 80,082.73/x
  3. Step 3: Cross multiply
    168,803.92x = 253,132.03 × 80,082.73
  4. Step 4: Simplify right side
    168,803.92x = 20,271,504,012.84
  5. Step 5: Solve for x
    x = 20,271,504,012.84/168,803.92
  6. Step 6: Final answer
    x = 120,089.06

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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.