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Finding the Fourth Proportional to 100,659.92, 150,879.16 and 41,463.30

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Solution

The fourth proportional to 100,659.92, 150,879.16 and 41,463.30 is: 62,149.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,659.92 : 150,879.16 = 41,463.30 : x
  2. Step 2: Convert to fraction form
    100,659.92/150,879.16 = 41,463.30/x
  3. Step 3: Cross multiply
    100,659.92x = 150,879.16 × 41,463.30
  4. Step 4: Simplify right side
    100,659.92x = 6,255,947,360.86
  5. Step 5: Solve for x
    x = 6,255,947,360.86/100,659.92
  6. Step 6: Final answer
    x = 62,149.34

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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.