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Finding the Fourth Proportional to 79,793.46, 119,662.20 and 43,762.68

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Solution

The fourth proportional to 79,793.46, 119,662.20 and 43,762.68 is: 65,628.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,793.46 : 119,662.20 = 43,762.68 : x
  2. Step 2: Convert to fraction form
    79,793.46/119,662.20 = 43,762.68/x
  3. Step 3: Cross multiply
    79,793.46x = 119,662.20 × 43,762.68
  4. Step 4: Simplify right side
    79,793.46x = 5,236,738,566.70
  5. Step 5: Solve for x
    x = 5,236,738,566.70/79,793.46
  6. Step 6: Final answer
    x = 65,628.67

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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.