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Finding the Fourth Proportional to 73,819.62, 110,642.76 and 34,293.42

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Solution

The fourth proportional to 73,819.62, 110,642.76 and 34,293.42 is: 51,399.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,819.62 : 110,642.76 = 34,293.42 : x
  2. Step 2: Convert to fraction form
    73,819.62/110,642.76 = 34,293.42/x
  3. Step 3: Cross multiply
    73,819.62x = 110,642.76 × 34,293.42
  4. Step 4: Simplify right side
    73,819.62x = 3,794,318,638.64
  5. Step 5: Solve for x
    x = 3,794,318,638.64/73,819.62
  6. Step 6: Final answer
    x = 51,399.87

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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.