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Finding the Fourth Proportional to 171,690.77, 236,932.88 and 95,207.97

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Solution

The fourth proportional to 171,690.77, 236,932.88 and 95,207.97 is: 131,386.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,690.77 : 236,932.88 = 95,207.97 : x
  2. Step 2: Convert to fraction form
    171,690.77/236,932.88 = 95,207.97/x
  3. Step 3: Cross multiply
    171,690.77x = 236,932.88 × 95,207.97
  4. Step 4: Simplify right side
    171,690.77x = 22,557,898,055.01
  5. Step 5: Solve for x
    x = 22,557,898,055.01/171,690.77
  6. Step 6: Final answer
    x = 131,386.79

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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.