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Finding the Fourth Proportional to 79,936.78, 110,312.12 and 44,126.78

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Solution

The fourth proportional to 79,936.78, 110,312.12 and 44,126.78 is: 60,894.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,936.78 : 110,312.12 = 44,126.78 : x
  2. Step 2: Convert to fraction form
    79,936.78/110,312.12 = 44,126.78/x
  3. Step 3: Cross multiply
    79,936.78x = 110,312.12 × 44,126.78
  4. Step 4: Simplify right side
    79,936.78x = 4,867,718,650.57
  5. Step 5: Solve for x
    x = 4,867,718,650.57/79,936.78
  6. Step 6: Final answer
    x = 60,894.61

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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.