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Finding the Fourth Proportional to 168,805.41, 232,942.77 and 92,309.63

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Solution

The fourth proportional to 168,805.41, 232,942.77 and 92,309.63 is: 127,382.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,805.41 : 232,942.77 = 92,309.63 : x
  2. Step 2: Convert to fraction form
    168,805.41/232,942.77 = 92,309.63/x
  3. Step 3: Cross multiply
    168,805.41x = 232,942.77 × 92,309.63
  4. Step 4: Simplify right side
    168,805.41x = 21,502,859,745.16
  5. Step 5: Solve for x
    x = 21,502,859,745.16/168,805.41
  6. Step 6: Final answer
    x = 127,382.53

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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.