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Finding the Fourth Proportional to 79,087.98, 109,141.39 and 43,277.98

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Solution

The fourth proportional to 79,087.98, 109,141.39 and 43,277.98 is: 59,723.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,087.98 : 109,141.39 = 43,277.98 : x
  2. Step 2: Convert to fraction form
    79,087.98/109,141.39 = 43,277.98/x
  3. Step 3: Cross multiply
    79,087.98x = 109,141.39 × 43,277.98
  4. Step 4: Simplify right side
    79,087.98x = 4,723,418,131.50
  5. Step 5: Solve for x
    x = 4,723,418,131.50/79,087.98
  6. Step 6: Final answer
    x = 59,723.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.