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Finding the Fourth Proportional to 171,370.44, 257,100.02 and 100,353.09

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Solution

The fourth proportional to 171,370.44, 257,100.02 and 100,353.09 is: 150,555.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,370.44 : 257,100.02 = 100,353.09 : x
  2. Step 2: Convert to fraction form
    171,370.44/257,100.02 = 100,353.09/x
  3. Step 3: Cross multiply
    171,370.44x = 257,100.02 × 100,353.09
  4. Step 4: Simplify right side
    171,370.44x = 25,800,780,944.30
  5. Step 5: Solve for x
    x = 25,800,780,944.30/171,370.44
  6. Step 6: Final answer
    x = 150,555.61

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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.