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Finding the Fourth Proportional to 79,190.70, 118,786.14 and 23,786.70

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Solution

The fourth proportional to 79,190.70, 118,786.14 and 23,786.70 is: 35,680.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,190.70 : 118,786.14 = 23,786.70 : x
  2. Step 2: Convert to fraction form
    79,190.70/118,786.14 = 23,786.70/x
  3. Step 3: Cross multiply
    79,190.70x = 118,786.14 × 23,786.70
  4. Step 4: Simplify right side
    79,190.70x = 2,825,530,276.34
  5. Step 5: Solve for x
    x = 2,825,530,276.34/79,190.70
  6. Step 6: Final answer
    x = 35,680.08

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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.