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Finding the Fourth Proportional to 103,591.91, 155,388.77 and 33,471.23

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Solution

The fourth proportional to 103,591.91, 155,388.77 and 33,471.23 is: 50,207.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,591.91 : 155,388.77 = 33,471.23 : x
  2. Step 2: Convert to fraction form
    103,591.91/155,388.77 = 33,471.23/x
  3. Step 3: Cross multiply
    103,591.91x = 155,388.77 × 33,471.23
  4. Step 4: Simplify right side
    103,591.91x = 5,201,053,092.73
  5. Step 5: Solve for x
    x = 5,201,053,092.73/103,591.91
  6. Step 6: Final answer
    x = 50,207.14

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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.