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Finding the Fourth Proportional to 73,891.70, 110,815.95 and 26,501.30

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Solution

The fourth proportional to 73,891.70, 110,815.95 and 26,501.30 is: 39,744.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,891.70 : 110,815.95 = 26,501.30 : x
  2. Step 2: Convert to fraction form
    73,891.70/110,815.95 = 26,501.30/x
  3. Step 3: Cross multiply
    73,891.70x = 110,815.95 × 26,501.30
  4. Step 4: Simplify right side
    73,891.70x = 2,936,766,735.74
  5. Step 5: Solve for x
    x = 2,936,766,735.74/73,891.70
  6. Step 6: Final answer
    x = 39,744.20

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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.