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Finding the Fourth Proportional to 221,950.76, 332,718.30 and 108,073.67

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Solution

The fourth proportional to 221,950.76, 332,718.30 and 108,073.67 is: 162,009.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,950.76 : 332,718.30 = 108,073.67 : x
  2. Step 2: Convert to fraction form
    221,950.76/332,718.30 = 108,073.67/x
  3. Step 3: Cross multiply
    221,950.76x = 332,718.30 × 108,073.67
  4. Step 4: Simplify right side
    221,950.76x = 35,958,086,093.57
  5. Step 5: Solve for x
    x = 35,958,086,093.57/221,950.76
  6. Step 6: Final answer
    x = 162,009.30

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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.