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Finding the Fourth Proportional to 79,950.86, 119,795.06 and 27,331.64

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Solution

The fourth proportional to 79,950.86, 119,795.06 and 27,331.64 is: 40,952.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,950.86 : 119,795.06 = 27,331.64 : x
  2. Step 2: Convert to fraction form
    79,950.86/119,795.06 = 27,331.64/x
  3. Step 3: Cross multiply
    79,950.86x = 119,795.06 × 27,331.64
  4. Step 4: Simplify right side
    79,950.86x = 3,274,194,923.05
  5. Step 5: Solve for x
    x = 3,274,194,923.05/79,950.86
  6. Step 6: Final answer
    x = 40,952.59

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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.