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Finding the Fourth Proportional to 79,777.91, 110,092.01 and 43,479.66

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Solution

The fourth proportional to 79,777.91, 110,092.01 and 43,479.66 is: 60,001.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,777.91 : 110,092.01 = 43,479.66 : x
  2. Step 2: Convert to fraction form
    79,777.91/110,092.01 = 43,479.66/x
  3. Step 3: Cross multiply
    79,777.91x = 110,092.01 × 43,479.66
  4. Step 4: Simplify right side
    79,777.91x = 4,786,763,293.90
  5. Step 5: Solve for x
    x = 4,786,763,293.90/79,777.91
  6. Step 6: Final answer
    x = 60,001.11

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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.