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Finding the Fourth Proportional to 79,988.85, 110,383.97 and 44,181.32

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Solution

The fourth proportional to 79,988.85, 110,383.97 and 44,181.32 is: 60,969.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,988.85 : 110,383.97 = 44,181.32 : x
  2. Step 2: Convert to fraction form
    79,988.85/110,383.97 = 44,181.32/x
  3. Step 3: Cross multiply
    79,988.85x = 110,383.97 × 44,181.32
  4. Step 4: Simplify right side
    79,988.85x = 4,876,908,728.61
  5. Step 5: Solve for x
    x = 4,876,908,728.61/79,988.85
  6. Step 6: Final answer
    x = 60,969.86

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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.