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Finding the Fourth Proportional to 68,433.80, 102,593.10 and 35,601.80

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Solution

The fourth proportional to 68,433.80, 102,593.10 and 35,601.80 is: 53,372.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,433.80 : 102,593.10 = 35,601.80 : x
  2. Step 2: Convert to fraction form
    68,433.80/102,593.10 = 35,601.80/x
  3. Step 3: Cross multiply
    68,433.80x = 102,593.10 × 35,601.80
  4. Step 4: Simplify right side
    68,433.80x = 3,652,499,027.58
  5. Step 5: Solve for x
    x = 3,652,499,027.58/68,433.80
  6. Step 6: Final answer
    x = 53,372.73

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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.