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Finding the Fourth Proportional to 80,584.68, 120,876.99 and 25,180.68

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Solution

The fourth proportional to 80,584.68, 120,876.99 and 25,180.68 is: 37,771.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,584.68 : 120,876.99 = 25,180.68 : x
  2. Step 2: Convert to fraction form
    80,584.68/120,876.99 = 25,180.68/x
  3. Step 3: Cross multiply
    80,584.68x = 120,876.99 × 25,180.68
  4. Step 4: Simplify right side
    80,584.68x = 3,043,764,804.55
  5. Step 5: Solve for x
    x = 3,043,764,804.55/80,584.68
  6. Step 6: Final answer
    x = 37,771.01

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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.