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Finding the Fourth Proportional to 79,766.63, 110,078.67 and 43,957.92

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Solution

The fourth proportional to 79,766.63, 110,078.67 and 43,957.92 is: 60,662.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,766.63 : 110,078.67 = 43,957.92 : x
  2. Step 2: Convert to fraction form
    79,766.63/110,078.67 = 43,957.92/x
  3. Step 3: Cross multiply
    79,766.63x = 110,078.67 × 43,957.92
  4. Step 4: Simplify right side
    79,766.63x = 4,838,829,149.78
  5. Step 5: Solve for x
    x = 4,838,829,149.78/79,766.63
  6. Step 6: Final answer
    x = 60,662.33

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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.