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Finding the Fourth Proportional to 79,890.84, 110,249.72 and 44,081.92

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Solution

The fourth proportional to 79,890.84, 110,249.72 and 44,081.92 is: 60,833.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,890.84 : 110,249.72 = 44,081.92 : x
  2. Step 2: Convert to fraction form
    79,890.84/110,249.72 = 44,081.92/x
  3. Step 3: Cross multiply
    79,890.84x = 110,249.72 × 44,081.92
  4. Step 4: Simplify right side
    79,890.84x = 4,860,019,337.06
  5. Step 5: Solve for x
    x = 4,860,019,337.06/79,890.84
  6. Step 6: Final answer
    x = 60,833.25

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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.