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Finding the Fourth Proportional to 250,274.25, 375,408.36 and 100,511.85

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Solution

The fourth proportional to 250,274.25, 375,408.36 and 100,511.85 is: 150,766.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,274.25 : 375,408.36 = 100,511.85 : x
  2. Step 2: Convert to fraction form
    250,274.25/375,408.36 = 100,511.85/x
  3. Step 3: Cross multiply
    250,274.25x = 375,408.36 × 100,511.85
  4. Step 4: Simplify right side
    250,274.25x = 37,732,988,769.07
  5. Step 5: Solve for x
    x = 37,732,988,769.07/250,274.25
  6. Step 6: Final answer
    x = 150,766.56

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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.