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Finding the Fourth Proportional to 79,884.48, 119,826.56 and 27,294.32

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Solution

The fourth proportional to 79,884.48, 119,826.56 and 27,294.32 is: 40,941.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,884.48 : 119,826.56 = 27,294.32 : x
  2. Step 2: Convert to fraction form
    79,884.48/119,826.56 = 27,294.32/x
  3. Step 3: Cross multiply
    79,884.48x = 119,826.56 × 27,294.32
  4. Step 4: Simplify right side
    79,884.48x = 3,270,584,473.14
  5. Step 5: Solve for x
    x = 3,270,584,473.14/79,884.48
  6. Step 6: Final answer
    x = 40,941.43

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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.