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Finding the Fourth Proportional to 70,592.91, 105,858.29 and 33,163.62

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Solution

The fourth proportional to 70,592.91, 105,858.29 and 33,163.62 is: 49,730.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,592.91 : 105,858.29 = 33,163.62 : x
  2. Step 2: Convert to fraction form
    70,592.91/105,858.29 = 33,163.62/x
  3. Step 3: Cross multiply
    70,592.91x = 105,858.29 × 33,163.62
  4. Step 4: Simplify right side
    70,592.91x = 3,510,644,334.56
  5. Step 5: Solve for x
    x = 3,510,644,334.56/70,592.91
  6. Step 6: Final answer
    x = 49,730.83

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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.