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Finding the Fourth Proportional to 120,994.68, 181,491.97 and 36,754.52

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Solution

The fourth proportional to 120,994.68, 181,491.97 and 36,754.52 is: 55,131.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,994.68 : 181,491.97 = 36,754.52 : x
  2. Step 2: Convert to fraction form
    120,994.68/181,491.97 = 36,754.52/x
  3. Step 3: Cross multiply
    120,994.68x = 181,491.97 × 36,754.52
  4. Step 4: Simplify right side
    120,994.68x = 6,670,649,149.97
  5. Step 5: Solve for x
    x = 6,670,649,149.97/120,994.68
  6. Step 6: Final answer
    x = 55,131.76

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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.