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Finding the Fourth Proportional to 78,793.97, 108,731.26 and 44,797.66

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Solution

The fourth proportional to 78,793.97, 108,731.26 and 44,797.66 is: 61,818.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,793.97 : 108,731.26 = 44,797.66 : x
  2. Step 2: Convert to fraction form
    78,793.97/108,731.26 = 44,797.66/x
  3. Step 3: Cross multiply
    78,793.97x = 108,731.26 × 44,797.66
  4. Step 4: Simplify right side
    78,793.97x = 4,870,905,801.02
  5. Step 5: Solve for x
    x = 4,870,905,801.02/78,793.97
  6. Step 6: Final answer
    x = 61,818.26

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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.