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Finding the Fourth Proportional to 79,168.60, 118,752.90 and 20,004.44

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Solution

The fourth proportional to 79,168.60, 118,752.90 and 20,004.44 is: 30,006.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,168.60 : 118,752.90 = 20,004.44 : x
  2. Step 2: Convert to fraction form
    79,168.60/118,752.90 = 20,004.44/x
  3. Step 3: Cross multiply
    79,168.60x = 118,752.90 × 20,004.44
  4. Step 4: Simplify right side
    79,168.60x = 2,375,585,262.88
  5. Step 5: Solve for x
    x = 2,375,585,262.88/79,168.60
  6. Step 6: Final answer
    x = 30,006.66

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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.