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Finding the Fourth Proportional to 168,486.63, 232,512.03 and 92,006.43

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Solution

The fourth proportional to 168,486.63, 232,512.03 and 92,006.43 is: 126,969.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,486.63 : 232,512.03 = 92,006.43 : x
  2. Step 2: Convert to fraction form
    168,486.63/232,512.03 = 92,006.43/x
  3. Step 3: Cross multiply
    168,486.63x = 232,512.03 × 92,006.43
  4. Step 4: Simplify right side
    168,486.63x = 21,392,601,812.35
  5. Step 5: Solve for x
    x = 21,392,601,812.35/168,486.63
  6. Step 6: Final answer
    x = 126,969.14

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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.