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Finding the Fourth Proportional to 168,364.60, 252,086.10 and 131,500.60

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Solution

The fourth proportional to 168,364.60, 252,086.10 and 131,500.60 is: 196,890.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,364.60 : 252,086.10 = 131,500.60 : x
  2. Step 2: Convert to fraction form
    168,364.60/252,086.10 = 131,500.60/x
  3. Step 3: Cross multiply
    168,364.60x = 252,086.10 × 131,500.60
  4. Step 4: Simplify right side
    168,364.60x = 33,149,473,401.66
  5. Step 5: Solve for x
    x = 33,149,473,401.66/168,364.60
  6. Step 6: Final answer
    x = 196,890.99

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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.