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Finding the Fourth Proportional to 100,405.88, 150,609.33 and 33,846.59

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Solution

The fourth proportional to 100,405.88, 150,609.33 and 33,846.59 is: 50,770.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,405.88 : 150,609.33 = 33,846.59 : x
  2. Step 2: Convert to fraction form
    100,405.88/150,609.33 = 33,846.59/x
  3. Step 3: Cross multiply
    100,405.88x = 150,609.33 × 33,846.59
  4. Step 4: Simplify right side
    100,405.88x = 5,097,611,489.64
  5. Step 5: Solve for x
    x = 5,097,611,489.64/100,405.88
  6. Step 6: Final answer
    x = 50,770.05

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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.