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Finding the Fourth Proportional to 79,894.50, 119,841.78 and 27,304.44

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Solution

The fourth proportional to 79,894.50, 119,841.78 and 27,304.44 is: 40,956.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,894.50 : 119,841.78 = 27,304.44 : x
  2. Step 2: Convert to fraction form
    79,894.50/119,841.78 = 27,304.44/x
  3. Step 3: Cross multiply
    79,894.50x = 119,841.78 × 27,304.44
  4. Step 4: Simplify right side
    79,894.50x = 3,272,212,691.50
  5. Step 5: Solve for x
    x = 3,272,212,691.50/79,894.50
  6. Step 6: Final answer
    x = 40,956.67

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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.