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Finding the Fourth Proportional to 186,351.90, 279,527.85 and 68,027.10

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Solution

The fourth proportional to 186,351.90, 279,527.85 and 68,027.10 is: 102,040.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,351.90 : 279,527.85 = 68,027.10 : x
  2. Step 2: Convert to fraction form
    186,351.90/279,527.85 = 68,027.10/x
  3. Step 3: Cross multiply
    186,351.90x = 279,527.85 × 68,027.10
  4. Step 4: Simplify right side
    186,351.90x = 19,015,469,004.74
  5. Step 5: Solve for x
    x = 19,015,469,004.74/186,351.90
  6. Step 6: Final answer
    x = 102,040.65

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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.