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Finding the Fourth Proportional to 275,015.59, 412,523.71 and 75,337.70

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Solution

The fourth proportional to 275,015.59, 412,523.71 and 75,337.70 is: 113,006.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,015.59 : 412,523.71 = 75,337.70 : x
  2. Step 2: Convert to fraction form
    275,015.59/412,523.71 = 75,337.70/x
  3. Step 3: Cross multiply
    275,015.59x = 412,523.71 × 75,337.70
  4. Step 4: Simplify right side
    275,015.59x = 31,078,585,255.90
  5. Step 5: Solve for x
    x = 31,078,585,255.90/275,015.59
  6. Step 6: Final answer
    x = 113,006.63

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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.