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Finding the Fourth Proportional to 253,217.53, 379,183.51 and 151,951.92

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Solution

The fourth proportional to 253,217.53, 379,183.51 and 151,951.92 is: 227,542.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,217.53 : 379,183.51 = 151,951.92 : x
  2. Step 2: Convert to fraction form
    253,217.53/379,183.51 = 151,951.92/x
  3. Step 3: Cross multiply
    253,217.53x = 379,183.51 × 151,951.92
  4. Step 4: Simplify right side
    253,217.53x = 57,617,662,376.84
  5. Step 5: Solve for x
    x = 57,617,662,376.84/253,217.53
  6. Step 6: Final answer
    x = 227,542.15

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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.