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Finding the Fourth Proportional to 218,374.53, 327,571.11 and 76,234.11

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Solution

The fourth proportional to 218,374.53, 327,571.11 and 76,234.11 is: 114,354.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,374.53 : 327,571.11 = 76,234.11 : x
  2. Step 2: Convert to fraction form
    218,374.53/327,571.11 = 76,234.11/x
  3. Step 3: Cross multiply
    218,374.53x = 327,571.11 × 76,234.11
  4. Step 4: Simplify right side
    218,374.53x = 24,972,092,032.56
  5. Step 5: Solve for x
    x = 24,972,092,032.56/218,374.53
  6. Step 6: Final answer
    x = 114,354.42

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1.5x scale

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.