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Finding the Fourth Proportional to 112,954.19, 169,321.12 and 53,773.97

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Solution

The fourth proportional to 112,954.19, 169,321.12 and 53,773.97 is: 80,608.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,954.19 : 169,321.12 = 53,773.97 : x
  2. Step 2: Convert to fraction form
    112,954.19/169,321.12 = 53,773.97/x
  3. Step 3: Cross multiply
    112,954.19x = 169,321.12 × 53,773.97
  4. Step 4: Simplify right side
    112,954.19x = 9,105,067,846.21
  5. Step 5: Solve for x
    x = 9,105,067,846.21/112,954.19
  6. Step 6: Final answer
    x = 80,608.50

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.