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Finding the Fourth Proportional to 79,878.80, 110,233.11 and 44,068.80

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Solution

The fourth proportional to 79,878.80, 110,233.11 and 44,068.80 is: 60,815.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,878.80 : 110,233.11 = 44,068.80 : x
  2. Step 2: Convert to fraction form
    79,878.80/110,233.11 = 44,068.80/x
  3. Step 3: Cross multiply
    79,878.80x = 110,233.11 × 44,068.80
  4. Step 4: Simplify right side
    79,878.80x = 4,857,840,877.97
  5. Step 5: Solve for x
    x = 4,857,840,877.97/79,878.80
  6. Step 6: Final answer
    x = 60,815.15

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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.