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Finding the Fourth Proportional to 73,616.58, 110,285.55 and 43,540.74

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Solution

The fourth proportional to 73,616.58, 110,285.55 and 43,540.74 is: 65,228.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,616.58 : 110,285.55 = 43,540.74 : x
  2. Step 2: Convert to fraction form
    73,616.58/110,285.55 = 43,540.74/x
  3. Step 3: Cross multiply
    73,616.58x = 110,285.55 × 43,540.74
  4. Step 4: Simplify right side
    73,616.58x = 4,801,914,458.31
  5. Step 5: Solve for x
    x = 4,801,914,458.31/73,616.58
  6. Step 6: Final answer
    x = 65,228.71

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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.