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Finding the Fourth Proportional to 79,684.67, 119,527.14 and 27,098.39

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Solution

The fourth proportional to 79,684.67, 119,527.14 and 27,098.39 is: 40,647.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,684.67 : 119,527.14 = 27,098.39 : x
  2. Step 2: Convert to fraction form
    79,684.67/119,527.14 = 27,098.39/x
  3. Step 3: Cross multiply
    79,684.67x = 119,527.14 × 27,098.39
  4. Step 4: Simplify right side
    79,684.67x = 3,238,993,055.30
  5. Step 5: Solve for x
    x = 3,238,993,055.30/79,684.67
  6. Step 6: Final answer
    x = 40,647.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.