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Finding the Fourth Proportional to 79,603.76, 109,854.84 and 43,793.84

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Solution

The fourth proportional to 79,603.76, 109,854.84 and 43,793.84 is: 60,436.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,603.76 : 109,854.84 = 43,793.84 : x
  2. Step 2: Convert to fraction form
    79,603.76/109,854.84 = 43,793.84/x
  3. Step 3: Cross multiply
    79,603.76x = 109,854.84 × 43,793.84
  4. Step 4: Simplify right side
    79,603.76x = 4,810,965,286.19
  5. Step 5: Solve for x
    x = 4,810,965,286.19/79,603.76
  6. Step 6: Final answer
    x = 60,436.41

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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.