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Finding the Fourth Proportional to 275,015.33, 412,523.33 and 75,337.43

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Solution

The fourth proportional to 275,015.33, 412,523.33 and 75,337.43 is: 113,006.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,015.33 : 412,523.33 = 75,337.43 : x
  2. Step 2: Convert to fraction form
    275,015.33/412,523.33 = 75,337.43/x
  3. Step 3: Cross multiply
    275,015.33x = 412,523.33 × 75,337.43
  4. Step 4: Simplify right side
    275,015.33x = 31,078,447,120.55
  5. Step 5: Solve for x
    x = 31,078,447,120.55/275,015.33
  6. Step 6: Final answer
    x = 113,006.24

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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.