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Finding the Fourth Proportional to 221,912.22, 332,582.40 and 193,333.41

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Solution

The fourth proportional to 221,912.22, 332,582.40 and 193,333.41 is: 289,751.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,912.22 : 332,582.40 = 193,333.41 : x
  2. Step 2: Convert to fraction form
    221,912.22/332,582.40 = 193,333.41/x
  3. Step 3: Cross multiply
    221,912.22x = 332,582.40 × 193,333.41
  4. Step 4: Simplify right side
    221,912.22x = 64,299,289,497.98
  5. Step 5: Solve for x
    x = 64,299,289,497.98/221,912.22
  6. Step 6: Final answer
    x = 289,751.01

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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.