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Finding the Fourth Proportional to 71,736.50, 107,622.04 and 22,488.50

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Solution

The fourth proportional to 71,736.50, 107,622.04 and 22,488.50 is: 33,738.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,736.50 : 107,622.04 = 22,488.50 : x
  2. Step 2: Convert to fraction form
    71,736.50/107,622.04 = 22,488.50/x
  3. Step 3: Cross multiply
    71,736.50x = 107,622.04 × 22,488.50
  4. Step 4: Simplify right side
    71,736.50x = 2,420,258,246.54
  5. Step 5: Solve for x
    x = 2,420,258,246.54/71,736.50
  6. Step 6: Final answer
    x = 33,738.17

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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.