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Finding the Fourth Proportional to 104,143.92, 156,183.60 and 37,575.42

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Solution

The fourth proportional to 104,143.92, 156,183.60 and 37,575.42 is: 56,351.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,143.92 : 156,183.60 = 37,575.42 : x
  2. Step 2: Convert to fraction form
    104,143.92/156,183.60 = 37,575.42/x
  3. Step 3: Cross multiply
    104,143.92x = 156,183.60 × 37,575.42
  4. Step 4: Simplify right side
    104,143.92x = 5,868,664,367.11
  5. Step 5: Solve for x
    x = 5,868,664,367.11/104,143.92
  6. Step 6: Final answer
    x = 56,351.48

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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.