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Finding the Fourth Proportional to 168,168.86, 252,246 and 41,806.46

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Solution

The fourth proportional to 168,168.86, 252,246 and 41,806.46 is: 62,707.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,168.86 : 252,246 = 41,806.46 : x
  2. Step 2: Convert to fraction form
    168,168.86/252,246 = 41,806.46/x
  3. Step 3: Cross multiply
    168,168.86x = 252,246 × 41,806.46
  4. Step 4: Simplify right side
    168,168.86x = 10,545,512,309.16
  5. Step 5: Solve for x
    x = 10,545,512,309.16/168,168.86
  6. Step 6: Final answer
    x = 62,707.88

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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.