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Finding the Fourth Proportional to 68,599.43, 102,824.07 and 35,321.48

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Solution

The fourth proportional to 68,599.43, 102,824.07 and 35,321.48 is: 52,943.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,599.43 : 102,824.07 = 35,321.48 : x
  2. Step 2: Convert to fraction form
    68,599.43/102,824.07 = 35,321.48/x
  3. Step 3: Cross multiply
    68,599.43x = 102,824.07 × 35,321.48
  4. Step 4: Simplify right side
    68,599.43x = 3,631,898,589.08
  5. Step 5: Solve for x
    x = 3,631,898,589.08/68,599.43
  6. Step 6: Final answer
    x = 52,943.57

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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.