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Finding the Fourth Proportional to 238,183.56, 357,327 and 69,717.78

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Solution

The fourth proportional to 238,183.56, 357,327 and 69,717.78 is: 104,591.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,183.56 : 357,327 = 69,717.78 : x
  2. Step 2: Convert to fraction form
    238,183.56/357,327 = 69,717.78/x
  3. Step 3: Cross multiply
    238,183.56x = 357,327 × 69,717.78
  4. Step 4: Simplify right side
    238,183.56x = 24,912,045,174.06
  5. Step 5: Solve for x
    x = 24,912,045,174.06/238,183.56
  6. Step 6: Final answer
    x = 104,591.79

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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.