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Finding the Fourth Proportional to 168,833.82, 232,992.21 and 92,351.40

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Solution

The fourth proportional to 168,833.82, 232,992.21 and 92,351.40 is: 127,445.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,833.82 : 232,992.21 = 92,351.40 : x
  2. Step 2: Convert to fraction form
    168,833.82/232,992.21 = 92,351.40/x
  3. Step 3: Cross multiply
    168,833.82x = 232,992.21 × 92,351.40
  4. Step 4: Simplify right side
    168,833.82x = 21,517,156,782.59
  5. Step 5: Solve for x
    x = 21,517,156,782.59/168,833.82
  6. Step 6: Final answer
    x = 127,445.77

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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.