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Finding the Fourth Proportional to 100,098.21, 150,042.75 and 33,483.56

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Solution

The fourth proportional to 100,098.21, 150,042.75 and 33,483.56 is: 50,190.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,098.21 : 150,042.75 = 33,483.56 : x
  2. Step 2: Convert to fraction form
    100,098.21/150,042.75 = 33,483.56/x
  3. Step 3: Cross multiply
    100,098.21x = 150,042.75 × 33,483.56
  4. Step 4: Simplify right side
    100,098.21x = 5,023,965,422.19
  5. Step 5: Solve for x
    x = 5,023,965,422.19/100,098.21
  6. Step 6: Final answer
    x = 50,190.36

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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.