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Finding the Fourth Proportional to 192,743.96, 288,992.58 and 92,704.94

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Solution

The fourth proportional to 192,743.96, 288,992.58 and 92,704.94 is: 138,998.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,743.96 : 288,992.58 = 92,704.94 : x
  2. Step 2: Convert to fraction form
    192,743.96/288,992.58 = 92,704.94/x
  3. Step 3: Cross multiply
    192,743.96x = 288,992.58 × 92,704.94
  4. Step 4: Simplify right side
    192,743.96x = 26,791,039,789.35
  5. Step 5: Solve for x
    x = 26,791,039,789.35/192,743.96
  6. Step 6: Final answer
    x = 138,998.08

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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.