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Finding the Fourth Proportional to 192,789.90, 289,198.36 and 59,652.62

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Solution

The fourth proportional to 192,789.90, 289,198.36 and 59,652.62 is: 89,483.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,789.90 : 289,198.36 = 59,652.62 : x
  2. Step 2: Convert to fraction form
    192,789.90/289,198.36 = 59,652.62/x
  3. Step 3: Cross multiply
    192,789.90x = 289,198.36 × 59,652.62
  4. Step 4: Simplify right side
    192,789.90x = 17,251,439,873.70
  5. Step 5: Solve for x
    x = 17,251,439,873.70/192,789.90
  6. Step 6: Final answer
    x = 89,483.11

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Why These Related Problems?

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