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Finding the Fourth Proportional to 169,734.33, 234,207.36 and 98,100.54

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Solution

The fourth proportional to 169,734.33, 234,207.36 and 98,100.54 is: 135,363.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,734.33 : 234,207.36 = 98,100.54 : x
  2. Step 2: Convert to fraction form
    169,734.33/234,207.36 = 98,100.54/x
  3. Step 3: Cross multiply
    169,734.33x = 234,207.36 × 98,100.54
  4. Step 4: Simplify right side
    169,734.33x = 22,975,868,487.97
  5. Step 5: Solve for x
    x = 22,975,868,487.97/169,734.33
  6. Step 6: Final answer
    x = 135,363.71

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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.