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Finding the Fourth Proportional to 245,212.54, 367,823.43 and 67,724.26

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Solution

The fourth proportional to 245,212.54, 367,823.43 and 67,724.26 is: 101,587.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,212.54 : 367,823.43 = 67,724.26 : x
  2. Step 2: Convert to fraction form
    245,212.54/367,823.43 = 67,724.26/x
  3. Step 3: Cross multiply
    245,212.54x = 367,823.43 × 67,724.26
  4. Step 4: Simplify right side
    245,212.54x = 24,910,568,687.85
  5. Step 5: Solve for x
    x = 24,910,568,687.85/245,212.54
  6. Step 6: Final answer
    x = 101,587.66

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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.