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Finding the Fourth Proportional to 195,169.72, 269,185.62 and 167,992

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Solution

The fourth proportional to 195,169.72, 269,185.62 and 167,992 is: 231,701.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,169.72 : 269,185.62 = 167,992 : x
  2. Step 2: Convert to fraction form
    195,169.72/269,185.62 = 167,992/x
  3. Step 3: Cross multiply
    195,169.72x = 269,185.62 × 167,992
  4. Step 4: Simplify right side
    195,169.72x = 45,221,030,675.04
  5. Step 5: Solve for x
    x = 45,221,030,675.04/195,169.72
  6. Step 6: Final answer
    x = 231,701.06

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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.