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Finding the Fourth Proportional to 168,669.76, 252,709.24 and 150,364.48

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Solution

The fourth proportional to 168,669.76, 252,709.24 and 150,364.48 is: 225,283.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,669.76 : 252,709.24 = 150,364.48 : x
  2. Step 2: Convert to fraction form
    168,669.76/252,709.24 = 150,364.48/x
  3. Step 3: Cross multiply
    168,669.76x = 252,709.24 × 150,364.48
  4. Step 4: Simplify right side
    168,669.76x = 37,998,493,463.80
  5. Step 5: Solve for x
    x = 37,998,493,463.80/168,669.76
  6. Step 6: Final answer
    x = 225,283.38

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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.