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Finding the Fourth Proportional to 192,732.96, 288,976.08 and 92,693.88

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Solution

The fourth proportional to 192,732.96, 288,976.08 and 92,693.88 is: 138,981.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,732.96 : 288,976.08 = 92,693.88 : x
  2. Step 2: Convert to fraction form
    192,732.96/288,976.08 = 92,693.88/x
  3. Step 3: Cross multiply
    192,732.96x = 288,976.08 × 92,693.88
  4. Step 4: Simplify right side
    192,732.96x = 26,786,314,082.39
  5. Step 5: Solve for x
    x = 26,786,314,082.39/192,732.96
  6. Step 6: Final answer
    x = 138,981.49

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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.