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Finding the Fourth Proportional to 73,894.01, 110,884.75 and 27,179.69

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Solution

The fourth proportional to 73,894.01, 110,884.75 and 27,179.69 is: 40,785.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,894.01 : 110,884.75 = 27,179.69 : x
  2. Step 2: Convert to fraction form
    73,894.01/110,884.75 = 27,179.69/x
  3. Step 3: Cross multiply
    73,894.01x = 110,884.75 × 27,179.69
  4. Step 4: Simplify right side
    73,894.01x = 3,013,812,508.35
  5. Step 5: Solve for x
    x = 3,013,812,508.35/73,894.01
  6. Step 6: Final answer
    x = 40,785.62

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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.