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Finding the Fourth Proportional to 193,586, 290,389.94 and 68,927

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Solution

The fourth proportional to 193,586, 290,389.94 and 68,927 is: 103,394.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,586 : 290,389.94 = 68,927 : x
  2. Step 2: Convert to fraction form
    193,586/290,389.94 = 68,927/x
  3. Step 3: Cross multiply
    193,586x = 290,389.94 × 68,927
  4. Step 4: Simplify right side
    193,586x = 20,015,707,394.38
  5. Step 5: Solve for x
    x = 20,015,707,394.38/193,586
  6. Step 6: Final answer
    x = 103,394.40

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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.