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Finding the Fourth Proportional to 171,486.60, 236,408.04 and 126,084.48

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Solution

The fourth proportional to 171,486.60, 236,408.04 and 126,084.48 is: 173,817.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,486.60 : 236,408.04 = 126,084.48 : x
  2. Step 2: Convert to fraction form
    171,486.60/236,408.04 = 126,084.48/x
  3. Step 3: Cross multiply
    171,486.60x = 236,408.04 × 126,084.48
  4. Step 4: Simplify right side
    171,486.60x = 29,807,384,791.22
  5. Step 5: Solve for x
    x = 29,807,384,791.22/171,486.60
  6. Step 6: Final answer
    x = 173,817.57

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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.