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Finding the Fourth Proportional to 179,806.20, 269,745.30 and 53,446.20

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Solution

The fourth proportional to 179,806.20, 269,745.30 and 53,446.20 is: 80,180.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,806.20 : 269,745.30 = 53,446.20 : x
  2. Step 2: Convert to fraction form
    179,806.20/269,745.30 = 53,446.20/x
  3. Step 3: Cross multiply
    179,806.20x = 269,745.30 × 53,446.20
  4. Step 4: Simplify right side
    179,806.20x = 14,416,861,252.86
  5. Step 5: Solve for x
    x = 14,416,861,252.86/179,806.20
  6. Step 6: Final answer
    x = 80,180.00

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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.