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Finding the Fourth Proportional to 79,879.17, 110,233.64 and 44,069.18

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Solution

The fourth proportional to 79,879.17, 110,233.64 and 44,069.18 is: 60,815.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,879.17 : 110,233.64 = 44,069.18 : x
  2. Step 2: Convert to fraction form
    79,879.17/110,233.64 = 44,069.18/x
  3. Step 3: Cross multiply
    79,879.17x = 110,233.64 × 44,069.18
  4. Step 4: Simplify right side
    79,879.17x = 4,857,905,351.70
  5. Step 5: Solve for x
    x = 4,857,905,351.70/79,879.17
  6. Step 6: Final answer
    x = 60,815.67

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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.