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Finding the Fourth Proportional to 171,588.38, 236,791.96 and 104,520.38

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Solution

The fourth proportional to 171,588.38, 236,791.96 and 104,520.38 is: 144,238.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,588.38 : 236,791.96 = 104,520.38 : x
  2. Step 2: Convert to fraction form
    171,588.38/236,791.96 = 104,520.38/x
  3. Step 3: Cross multiply
    171,588.38x = 236,791.96 × 104,520.38
  4. Step 4: Simplify right side
    171,588.38x = 24,749,584,194.88
  5. Step 5: Solve for x
    x = 24,749,584,194.88/171,588.38
  6. Step 6: Final answer
    x = 144,238.12

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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.