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Finding the Fourth Proportional to 168,492.63, 232,520.31 and 92,012.43

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Solution

The fourth proportional to 168,492.63, 232,520.31 and 92,012.43 is: 126,977.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,492.63 : 232,520.31 = 92,012.43 : x
  2. Step 2: Convert to fraction form
    168,492.63/232,520.31 = 92,012.43/x
  3. Step 3: Cross multiply
    168,492.63x = 232,520.31 × 92,012.43
  4. Step 4: Simplify right side
    168,492.63x = 21,394,758,747.45
  5. Step 5: Solve for x
    x = 21,394,758,747.45/168,492.63
  6. Step 6: Final answer
    x = 126,977.42

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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.