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Finding the Fourth Proportional to 100,250.46, 150,375.66 and 25,370.99

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Solution

The fourth proportional to 100,250.46, 150,375.66 and 25,370.99 is: 38,056.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,250.46 : 150,375.66 = 25,370.99 : x
  2. Step 2: Convert to fraction form
    100,250.46/150,375.66 = 25,370.99/x
  3. Step 3: Cross multiply
    100,250.46x = 150,375.66 × 25,370.99
  4. Step 4: Simplify right side
    100,250.46x = 3,815,179,082.99
  5. Step 5: Solve for x
    x = 3,815,179,082.99/100,250.46
  6. Step 6: Final answer
    x = 38,056.47

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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.