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Finding the Fourth Proportional to 80,065.37, 120,057.26 and 26,738.17

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Solution

The fourth proportional to 80,065.37, 120,057.26 and 26,738.17 is: 40,093.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,065.37 : 120,057.26 = 26,738.17 : x
  2. Step 2: Convert to fraction form
    80,065.37/120,057.26 = 26,738.17/x
  3. Step 3: Cross multiply
    80,065.37x = 120,057.26 × 26,738.17
  4. Step 4: Simplify right side
    80,065.37x = 3,210,110,993.78
  5. Step 5: Solve for x
    x = 3,210,110,993.78/80,065.37
  6. Step 6: Final answer
    x = 40,093.62

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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.