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Finding the Fourth Proportional to 245,213.46, 367,824.83 and 67,725.20

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Solution

The fourth proportional to 245,213.46, 367,824.83 and 67,725.20 is: 101,589.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,213.46 : 367,824.83 = 67,725.20 : x
  2. Step 2: Convert to fraction form
    245,213.46/367,824.83 = 67,725.20/x
  3. Step 3: Cross multiply
    245,213.46x = 367,824.83 × 67,725.20
  4. Step 4: Simplify right side
    245,213.46x = 24,911,007,998.97
  5. Step 5: Solve for x
    x = 24,911,007,998.97/245,213.46
  6. Step 6: Final answer
    x = 101,589.07

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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.