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Finding the Fourth Proportional to 168,549.91, 252,861.36 and 50,230.78

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Solution

The fourth proportional to 168,549.91, 252,861.36 and 50,230.78 is: 75,357.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,549.91 : 252,861.36 = 50,230.78 : x
  2. Step 2: Convert to fraction form
    168,549.91/252,861.36 = 50,230.78/x
  3. Step 3: Cross multiply
    168,549.91x = 252,861.36 × 50,230.78
  4. Step 4: Simplify right side
    168,549.91x = 12,701,423,344.66
  5. Step 5: Solve for x
    x = 12,701,423,344.66/168,549.91
  6. Step 6: Final answer
    x = 75,357.05

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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.