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Finding the Fourth Proportional to 104,060.92, 156,138.78 and 44,105.80

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Solution

The fourth proportional to 104,060.92, 156,138.78 and 44,105.80 is: 66,178.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,060.92 : 156,138.78 = 44,105.80 : x
  2. Step 2: Convert to fraction form
    104,060.92/156,138.78 = 44,105.80/x
  3. Step 3: Cross multiply
    104,060.92x = 156,138.78 × 44,105.80
  4. Step 4: Simplify right side
    104,060.92x = 6,886,625,802.92
  5. Step 5: Solve for x
    x = 6,886,625,802.92/104,060.92
  6. Step 6: Final answer
    x = 66,178.79

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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.