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Finding the Fourth Proportional to 100,672.76, 150,873.05 and 44,503.31

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Solution

The fourth proportional to 100,672.76, 150,873.05 and 44,503.31 is: 66,694.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,672.76 : 150,873.05 = 44,503.31 : x
  2. Step 2: Convert to fraction form
    100,672.76/150,873.05 = 44,503.31/x
  3. Step 3: Cross multiply
    100,672.76x = 150,873.05 × 44,503.31
  4. Step 4: Simplify right side
    100,672.76x = 6,714,350,114.80
  5. Step 5: Solve for x
    x = 6,714,350,114.80/100,672.76
  6. Step 6: Final answer
    x = 66,694.81

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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.