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Finding the Fourth Proportional to 221,825.82, 332,794.71 and 61,901.62

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Solution

The fourth proportional to 221,825.82, 332,794.71 and 61,901.62 is: 92,868.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,825.82 : 332,794.71 = 61,901.62 : x
  2. Step 2: Convert to fraction form
    221,825.82/332,794.71 = 61,901.62/x
  3. Step 3: Cross multiply
    221,825.82x = 332,794.71 × 61,901.62
  4. Step 4: Simplify right side
    221,825.82x = 20,600,530,767.07
  5. Step 5: Solve for x
    x = 20,600,530,767.07/221,825.82
  6. Step 6: Final answer
    x = 92,868.05

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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.