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Finding the Fourth Proportional to 192,751.05, 289,141.20 and 59,644.76

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Solution

The fourth proportional to 192,751.05, 289,141.20 and 59,644.76 is: 89,471.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,751.05 : 289,141.20 = 59,644.76 : x
  2. Step 2: Convert to fraction form
    192,751.05/289,141.20 = 59,644.76/x
  3. Step 3: Cross multiply
    192,751.05x = 289,141.20 × 59,644.76
  4. Step 4: Simplify right side
    192,751.05x = 17,245,758,202.97
  5. Step 5: Solve for x
    x = 17,245,758,202.97/192,751.05
  6. Step 6: Final answer
    x = 89,471.67

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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.