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Finding the Fourth Proportional to 168,481.01, 252,830.19 and 108,503.22

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Solution

The fourth proportional to 168,481.01, 252,830.19 and 108,503.22 is: 162,824.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,481.01 : 252,830.19 = 108,503.22 : x
  2. Step 2: Convert to fraction form
    168,481.01/252,830.19 = 108,503.22/x
  3. Step 3: Cross multiply
    168,481.01x = 252,830.19 × 108,503.22
  4. Step 4: Simplify right side
    168,481.01x = 27,432,889,456.63
  5. Step 5: Solve for x
    x = 27,432,889,456.63/168,481.01
  6. Step 6: Final answer
    x = 162,824.81

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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.