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Finding the Fourth Proportional to 150,079.83, 225,149.85 and 55,310.49

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Solution

The fourth proportional to 150,079.83, 225,149.85 and 55,310.49 is: 82,976.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,079.83 : 225,149.85 = 55,310.49 : x
  2. Step 2: Convert to fraction form
    150,079.83/225,149.85 = 55,310.49/x
  3. Step 3: Cross multiply
    150,079.83x = 225,149.85 × 55,310.49
  4. Step 4: Simplify right side
    150,079.83x = 12,453,148,526.93
  5. Step 5: Solve for x
    x = 12,453,148,526.93/150,079.83
  6. Step 6: Final answer
    x = 82,976.83

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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.