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Finding the Fourth Proportional to 80,419.73, 110,992.53 and 44,621.27

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Solution

The fourth proportional to 80,419.73, 110,992.53 and 44,621.27 is: 61,584.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,419.73 : 110,992.53 = 44,621.27 : x
  2. Step 2: Convert to fraction form
    80,419.73/110,992.53 = 44,621.27/x
  3. Step 3: Cross multiply
    80,419.73x = 110,992.53 × 44,621.27
  4. Step 4: Simplify right side
    80,419.73x = 4,952,627,426.71
  5. Step 5: Solve for x
    x = 4,952,627,426.71/80,419.73
  6. Step 6: Final answer
    x = 61,584.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.