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Finding the Fourth Proportional to 79,791.48, 119,674.23 and 37,671.48

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Solution

The fourth proportional to 79,791.48, 119,674.23 and 37,671.48 is: 56,501.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,791.48 : 119,674.23 = 37,671.48 : x
  2. Step 2: Convert to fraction form
    79,791.48/119,674.23 = 37,671.48/x
  3. Step 3: Cross multiply
    79,791.48x = 119,674.23 × 37,671.48
  4. Step 4: Simplify right side
    79,791.48x = 4,508,305,361.96
  5. Step 5: Solve for x
    x = 4,508,305,361.96/79,791.48
  6. Step 6: Final answer
    x = 56,501.09

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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.