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Finding the Fourth Proportional to 100,408.48, 150,612.74 and 33,843.05

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Solution

The fourth proportional to 100,408.48, 150,612.74 and 33,843.05 is: 50,764.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,408.48 : 150,612.74 = 33,843.05 : x
  2. Step 2: Convert to fraction form
    100,408.48/150,612.74 = 33,843.05/x
  3. Step 3: Cross multiply
    100,408.48x = 150,612.74 × 33,843.05
  4. Step 4: Simplify right side
    100,408.48x = 5,097,194,490.46
  5. Step 5: Solve for x
    x = 5,097,194,490.46/100,408.48
  6. Step 6: Final answer
    x = 50,764.58

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Similar ratio
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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.