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Finding the Fourth Proportional to 79,202.43, 118,792.48 and 20,034.45

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Solution

The fourth proportional to 79,202.43, 118,792.48 and 20,034.45 is: 30,048.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,202.43 : 118,792.48 = 20,034.45 : x
  2. Step 2: Convert to fraction form
    79,202.43/118,792.48 = 20,034.45/x
  3. Step 3: Cross multiply
    79,202.43x = 118,792.48 × 20,034.45
  4. Step 4: Simplify right side
    79,202.43x = 2,379,942,000.94
  5. Step 5: Solve for x
    x = 2,379,942,000.94/79,202.43
  6. Step 6: Final answer
    x = 30,048.85

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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.