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Finding the Fourth Proportional to 73,252.26, 109,863 and 20,647.62

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Solution

The fourth proportional to 73,252.26, 109,863 and 20,647.62 is: 30,967.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,252.26 : 109,863 = 20,647.62 : x
  2. Step 2: Convert to fraction form
    73,252.26/109,863 = 20,647.62/x
  3. Step 3: Cross multiply
    73,252.26x = 109,863 × 20,647.62
  4. Step 4: Simplify right side
    73,252.26x = 2,268,409,476.06
  5. Step 5: Solve for x
    x = 2,268,409,476.06/73,252.26
  6. Step 6: Final answer
    x = 30,967.09

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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.