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Finding the Fourth Proportional to 68,596.80, 102,906.63 and 23,616.42

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Solution

The fourth proportional to 68,596.80, 102,906.63 and 23,616.42 is: 35,428.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,596.80 : 102,906.63 = 23,616.42 : x
  2. Step 2: Convert to fraction form
    68,596.80/102,906.63 = 23,616.42/x
  3. Step 3: Cross multiply
    68,596.80x = 102,906.63 × 23,616.42
  4. Step 4: Simplify right side
    68,596.80x = 2,430,286,194.86
  5. Step 5: Solve for x
    x = 2,430,286,194.86/68,596.80
  6. Step 6: Final answer
    x = 35,428.57

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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.