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Finding the Fourth Proportional to 68,662.38, 102,993.90 and 24,289.17

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Solution

The fourth proportional to 68,662.38, 102,993.90 and 24,289.17 is: 36,433.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,662.38 : 102,993.90 = 24,289.17 : x
  2. Step 2: Convert to fraction form
    68,662.38/102,993.90 = 24,289.17/x
  3. Step 3: Cross multiply
    68,662.38x = 102,993.90 × 24,289.17
  4. Step 4: Simplify right side
    68,662.38x = 2,501,636,346.06
  5. Step 5: Solve for x
    x = 2,501,636,346.06/68,662.38
  6. Step 6: Final answer
    x = 36,433.87

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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.