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Finding the Fourth Proportional to 100,552.27, 150,828.23 and 25,672.43

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Solution

The fourth proportional to 100,552.27, 150,828.23 and 25,672.43 is: 38,508.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,552.27 : 150,828.23 = 25,672.43 : x
  2. Step 2: Convert to fraction form
    100,552.27/150,828.23 = 25,672.43/x
  3. Step 3: Cross multiply
    100,552.27x = 150,828.23 × 25,672.43
  4. Step 4: Simplify right side
    100,552.27x = 3,872,126,422.56
  5. Step 5: Solve for x
    x = 3,872,126,422.56/100,552.27
  6. Step 6: Final answer
    x = 38,508.59

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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.