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Finding the Fourth Proportional to 171,667, 236,881.26 and 96,204.60

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Solution

The fourth proportional to 171,667, 236,881.26 and 96,204.60 is: 132,751.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,667 : 236,881.26 = 96,204.60 : x
  2. Step 2: Convert to fraction form
    171,667/236,881.26 = 96,204.60/x
  3. Step 3: Cross multiply
    171,667x = 236,881.26 × 96,204.60
  4. Step 4: Simplify right side
    171,667x = 22,789,066,865.80
  5. Step 5: Solve for x
    x = 22,789,066,865.80/171,667
  6. Step 6: Final answer
    x = 132,751.59

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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.