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Finding the Fourth Proportional to 100,539.09, 150,808.91 and 33,961.41

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Solution

The fourth proportional to 100,539.09, 150,808.91 and 33,961.41 is: 50,942.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,539.09 : 150,808.91 = 33,961.41 : x
  2. Step 2: Convert to fraction form
    100,539.09/150,808.91 = 33,961.41/x
  3. Step 3: Cross multiply
    100,539.09x = 150,808.91 × 33,961.41
  4. Step 4: Simplify right side
    100,539.09x = 5,121,683,054.36
  5. Step 5: Solve for x
    x = 5,121,683,054.36/100,539.09
  6. Step 6: Final answer
    x = 50,942.21

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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.