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Finding the Fourth Proportional to 79,580.62, 109,822.13 and 43,770.93

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Solution

The fourth proportional to 79,580.62, 109,822.13 and 43,770.93 is: 60,404.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,580.62 : 109,822.13 = 43,770.93 : x
  2. Step 2: Convert to fraction form
    79,580.62/109,822.13 = 43,770.93/x
  3. Step 3: Cross multiply
    79,580.62x = 109,822.13 × 43,770.93
  4. Step 4: Simplify right side
    79,580.62x = 4,807,016,764.68
  5. Step 5: Solve for x
    x = 4,807,016,764.68/79,580.62
  6. Step 6: Final answer
    x = 60,404.36

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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.