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Finding the Fourth Proportional to 79,793.64, 110,116.80 and 43,986.24

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Solution

The fourth proportional to 79,793.64, 110,116.80 and 43,986.24 is: 60,701.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,793.64 : 110,116.80 = 43,986.24 : x
  2. Step 2: Convert to fraction form
    79,793.64/110,116.80 = 43,986.24/x
  3. Step 3: Cross multiply
    79,793.64x = 110,116.80 × 43,986.24
  4. Step 4: Simplify right side
    79,793.64x = 4,843,623,992.83
  5. Step 5: Solve for x
    x = 4,843,623,992.83/79,793.64
  6. Step 6: Final answer
    x = 60,701.88

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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.