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Finding the Fourth Proportional to 104,137.55, 156,201.13 and 36,672.91

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Solution

The fourth proportional to 104,137.55, 156,201.13 and 36,672.91 is: 55,007.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,137.55 : 156,201.13 = 36,672.91 : x
  2. Step 2: Convert to fraction form
    104,137.55/156,201.13 = 36,672.91/x
  3. Step 3: Cross multiply
    104,137.55x = 156,201.13 × 36,672.91
  4. Step 4: Simplify right side
    104,137.55x = 5,728,349,982.39
  5. Step 5: Solve for x
    x = 5,728,349,982.39/104,137.55
  6. Step 6: Final answer
    x = 55,007.54

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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.