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Finding the Fourth Proportional to 79,147.20, 118,710.77 and 22,226.27

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Solution

The fourth proportional to 79,147.20, 118,710.77 and 22,226.27 is: 33,336.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,147.20 : 118,710.77 = 22,226.27 : x
  2. Step 2: Convert to fraction form
    79,147.20/118,710.77 = 22,226.27/x
  3. Step 3: Cross multiply
    79,147.20x = 118,710.77 × 22,226.27
  4. Step 4: Simplify right side
    79,147.20x = 2,638,497,449.76
  5. Step 5: Solve for x
    x = 2,638,497,449.76/79,147.20
  6. Step 6: Final answer
    x = 33,336.59

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1.5x scale

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.