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Finding the Fourth Proportional to 100,042.92, 150,072.24 and 33,483.28

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Solution

The fourth proportional to 100,042.92, 150,072.24 and 33,483.28 is: 50,227.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,042.92 : 150,072.24 = 33,483.28 : x
  2. Step 2: Convert to fraction form
    100,042.92/150,072.24 = 33,483.28/x
  3. Step 3: Cross multiply
    100,042.92x = 150,072.24 × 33,483.28
  4. Step 4: Simplify right side
    100,042.92x = 5,024,910,832.15
  5. Step 5: Solve for x
    x = 5,024,910,832.15/100,042.92
  6. Step 6: Final answer
    x = 50,227.55

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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.