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Finding the Fourth Proportional to 168,640.26, 232,738.29 and 93,203.34

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Solution

The fourth proportional to 168,640.26, 232,738.29 and 93,203.34 is: 128,628.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,640.26 : 232,738.29 = 93,203.34 : x
  2. Step 2: Convert to fraction form
    168,640.26/232,738.29 = 93,203.34/x
  3. Step 3: Cross multiply
    168,640.26x = 232,738.29 × 93,203.34
  4. Step 4: Simplify right side
    168,640.26x = 21,691,985,973.89
  5. Step 5: Solve for x
    x = 21,691,985,973.89/168,640.26
  6. Step 6: Final answer
    x = 128,628.75

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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.