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Finding the Fourth Proportional to 193,067.70, 289,601.55 and 163,616.10

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Solution

The fourth proportional to 193,067.70, 289,601.55 and 163,616.10 is: 245,424.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,067.70 : 289,601.55 = 163,616.10 : x
  2. Step 2: Convert to fraction form
    193,067.70/289,601.55 = 163,616.10/x
  3. Step 3: Cross multiply
    193,067.70x = 289,601.55 × 163,616.10
  4. Step 4: Simplify right side
    193,067.70x = 47,383,476,164.96
  5. Step 5: Solve for x
    x = 47,383,476,164.96/193,067.70
  6. Step 6: Final answer
    x = 245,424.15

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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.