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Finding the Fourth Proportional to 90,367.25, 135,500.04 and 37,044.54

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Solution

The fourth proportional to 90,367.25, 135,500.04 and 37,044.54 is: 55,545.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,367.25 : 135,500.04 = 37,044.54 : x
  2. Step 2: Convert to fraction form
    90,367.25/135,500.04 = 37,044.54/x
  3. Step 3: Cross multiply
    90,367.25x = 135,500.04 × 37,044.54
  4. Step 4: Simplify right side
    90,367.25x = 5,019,536,651.78
  5. Step 5: Solve for x
    x = 5,019,536,651.78/90,367.25
  6. Step 6: Final answer
    x = 55,545.97

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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.