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Finding the Fourth Proportional to 68,351.82, 102,528.36 and 23,979.60

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Solution

The fourth proportional to 68,351.82, 102,528.36 and 23,979.60 is: 35,969.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,351.82 : 102,528.36 = 23,979.60 : x
  2. Step 2: Convert to fraction form
    68,351.82/102,528.36 = 23,979.60/x
  3. Step 3: Cross multiply
    68,351.82x = 102,528.36 × 23,979.60
  4. Step 4: Simplify right side
    68,351.82x = 2,458,589,061.46
  5. Step 5: Solve for x
    x = 2,458,589,061.46/68,351.82
  6. Step 6: Final answer
    x = 35,969.62

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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.