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Finding the Fourth Proportional to 168,309.82, 232,266.25 and 91,827.80

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Solution

The fourth proportional to 168,309.82, 232,266.25 and 91,827.80 is: 126,721.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,309.82 : 232,266.25 = 91,827.80 : x
  2. Step 2: Convert to fraction form
    168,309.82/232,266.25 = 91,827.80/x
  3. Step 3: Cross multiply
    168,309.82x = 232,266.25 × 91,827.80
  4. Step 4: Simplify right side
    168,309.82x = 21,328,498,751.75
  5. Step 5: Solve for x
    x = 21,328,498,751.75/168,309.82
  6. Step 6: Final answer
    x = 126,721.65

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1.5x scale

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.