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Finding the Fourth Proportional to 79,919.66, 110,288.91 and 44,109.43

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Solution

The fourth proportional to 79,919.66, 110,288.91 and 44,109.43 is: 60,870.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,919.66 : 110,288.91 = 44,109.43 : x
  2. Step 2: Convert to fraction form
    79,919.66/110,288.91 = 44,109.43/x
  3. Step 3: Cross multiply
    79,919.66x = 110,288.91 × 44,109.43
  4. Step 4: Simplify right side
    79,919.66x = 4,864,780,845.11
  5. Step 5: Solve for x
    x = 4,864,780,845.11/79,919.66
  6. Step 6: Final answer
    x = 60,870.89

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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.