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Finding the Fourth Proportional to 187,324.85, 280,874.39 and 73,336.69

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Solution

The fourth proportional to 187,324.85, 280,874.39 and 73,336.69 is: 109,960.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,324.85 : 280,874.39 = 73,336.69 : x
  2. Step 2: Convert to fraction form
    187,324.85/280,874.39 = 73,336.69/x
  3. Step 3: Cross multiply
    187,324.85x = 280,874.39 × 73,336.69
  4. Step 4: Simplify right side
    187,324.85x = 20,598,398,052.78
  5. Step 5: Solve for x
    x = 20,598,398,052.78/187,324.85
  6. Step 6: Final answer
    x = 109,960.84

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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.