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Finding the Fourth Proportional to 73,894.20, 110,819.70 and 26,503.80

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Solution

The fourth proportional to 73,894.20, 110,819.70 and 26,503.80 is: 39,747.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,894.20 : 110,819.70 = 26,503.80 : x
  2. Step 2: Convert to fraction form
    73,894.20/110,819.70 = 26,503.80/x
  3. Step 3: Cross multiply
    73,894.20x = 110,819.70 × 26,503.80
  4. Step 4: Simplify right side
    73,894.20x = 2,937,143,164.86
  5. Step 5: Solve for x
    x = 2,937,143,164.86/73,894.20
  6. Step 6: Final answer
    x = 39,747.95

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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.