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Finding the Fourth Proportional to 192,753.90, 288,964.53 and 92,776.59

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Solution

The fourth proportional to 192,753.90, 288,964.53 and 92,776.59 is: 139,084.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,753.90 : 288,964.53 = 92,776.59 : x
  2. Step 2: Convert to fraction form
    192,753.90/288,964.53 = 92,776.59/x
  3. Step 3: Cross multiply
    192,753.90x = 288,964.53 × 92,776.59
  4. Step 4: Simplify right side
    192,753.90x = 26,809,143,724.35
  5. Step 5: Solve for x
    x = 26,809,143,724.35/192,753.90
  6. Step 6: Final answer
    x = 139,084.83

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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.