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Finding the Fourth Proportional to 100,595.84, 150,912.09 and 33,131.55

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Solution

The fourth proportional to 100,595.84, 150,912.09 and 33,131.55 is: 49,703.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,595.84 : 150,912.09 = 33,131.55 : x
  2. Step 2: Convert to fraction form
    100,595.84/150,912.09 = 33,131.55/x
  3. Step 3: Cross multiply
    100,595.84x = 150,912.09 × 33,131.55
  4. Step 4: Simplify right side
    100,595.84x = 4,999,951,455.44
  5. Step 5: Solve for x
    x = 4,999,951,455.44/100,595.84
  6. Step 6: Final answer
    x = 49,703.36

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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.