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Finding the Fourth Proportional to 79,878.77, 110,231.97 and 44,069.06

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Solution

The fourth proportional to 79,878.77, 110,231.97 and 44,069.06 is: 60,814.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,878.77 : 110,231.97 = 44,069.06 : x
  2. Step 2: Convert to fraction form
    79,878.77/110,231.97 = 44,069.06/x
  3. Step 3: Cross multiply
    79,878.77x = 110,231.97 × 44,069.06
  4. Step 4: Simplify right side
    79,878.77x = 4,857,819,299.85
  5. Step 5: Solve for x
    x = 4,857,819,299.85/79,878.77
  6. Step 6: Final answer
    x = 60,814.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.