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Finding the Fourth Proportional to 444,573.92, 666,819.48 and 124,755.68

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Solution

The fourth proportional to 444,573.92, 666,819.48 and 124,755.68 is: 187,121.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,573.92 : 666,819.48 = 124,755.68 : x
  2. Step 2: Convert to fraction form
    444,573.92/666,819.48 = 124,755.68/x
  3. Step 3: Cross multiply
    444,573.92x = 666,819.48 × 124,755.68
  4. Step 4: Simplify right side
    444,573.92x = 83,189,517,664.65
  5. Step 5: Solve for x
    x = 83,189,517,664.65/444,573.92
  6. Step 6: Final answer
    x = 187,121.90

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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.