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Finding the Fourth Proportional to 79,886.80, 110,244.06 and 44,076.76

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Solution

The fourth proportional to 79,886.80, 110,244.06 and 44,076.76 is: 60,826.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,886.80 : 110,244.06 = 44,076.76 : x
  2. Step 2: Convert to fraction form
    79,886.80/110,244.06 = 44,076.76/x
  3. Step 3: Cross multiply
    79,886.80x = 110,244.06 × 44,076.76
  4. Step 4: Simplify right side
    79,886.80x = 4,859,200,974.05
  5. Step 5: Solve for x
    x = 4,859,200,974.05/79,886.80
  6. Step 6: Final answer
    x = 60,826.08

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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.