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Finding the Fourth Proportional to 168,092.88, 231,964.76 and 92,641.38

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Solution

The fourth proportional to 168,092.88, 231,964.76 and 92,641.38 is: 127,843.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,092.88 : 231,964.76 = 92,641.38 : x
  2. Step 2: Convert to fraction form
    168,092.88/231,964.76 = 92,641.38/x
  3. Step 3: Cross multiply
    168,092.88x = 231,964.76 × 92,641.38
  4. Step 4: Simplify right side
    168,092.88x = 21,489,535,477.77
  5. Step 5: Solve for x
    x = 21,489,535,477.77/168,092.88
  6. Step 6: Final answer
    x = 127,843.22

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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.