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Finding the Fourth Proportional to 79,227.54, 118,845.63 and 20,063.70

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Solution

The fourth proportional to 79,227.54, 118,845.63 and 20,063.70 is: 30,096.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,227.54 : 118,845.63 = 20,063.70 : x
  2. Step 2: Convert to fraction form
    79,227.54/118,845.63 = 20,063.70/x
  3. Step 3: Cross multiply
    79,227.54x = 118,845.63 × 20,063.70
  4. Step 4: Simplify right side
    79,227.54x = 2,384,483,066.63
  5. Step 5: Solve for x
    x = 2,384,483,066.63/79,227.54
  6. Step 6: Final answer
    x = 30,096.64

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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.