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Finding the Fourth Proportional to 80,185.25, 110,528.17 and 63,162.53

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Solution

The fourth proportional to 80,185.25, 110,528.17 and 63,162.53 is: 87,063.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,185.25 : 110,528.17 = 63,162.53 : x
  2. Step 2: Convert to fraction form
    80,185.25/110,528.17 = 63,162.53/x
  3. Step 3: Cross multiply
    80,185.25x = 110,528.17 × 63,162.53
  4. Step 4: Simplify right side
    80,185.25x = 6,981,238,853.47
  5. Step 5: Solve for x
    x = 6,981,238,853.47/80,185.25
  6. Step 6: Final answer
    x = 87,063.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.