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Finding the Fourth Proportional to 79,069.68, 118,604.52 and 36,370.80

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Solution

The fourth proportional to 79,069.68, 118,604.52 and 36,370.80 is: 54,556.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,069.68 : 118,604.52 = 36,370.80 : x
  2. Step 2: Convert to fraction form
    79,069.68/118,604.52 = 36,370.80/x
  3. Step 3: Cross multiply
    79,069.68x = 118,604.52 × 36,370.80
  4. Step 4: Simplify right side
    79,069.68x = 4,313,741,276.02
  5. Step 5: Solve for x
    x = 4,313,741,276.02/79,069.68
  6. Step 6: Final answer
    x = 54,556.20

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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.