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Finding the Fourth Proportional to 79,107.20, 118,622.40 and 44,009.60

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Solution

The fourth proportional to 79,107.20, 118,622.40 and 44,009.60 is: 65,993.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,107.20 : 118,622.40 = 44,009.60 : x
  2. Step 2: Convert to fraction form
    79,107.20/118,622.40 = 44,009.60/x
  3. Step 3: Cross multiply
    79,107.20x = 118,622.40 × 44,009.60
  4. Step 4: Simplify right side
    79,107.20x = 5,220,524,375.04
  5. Step 5: Solve for x
    x = 5,220,524,375.04/79,107.20
  6. Step 6: Final answer
    x = 65,993.04

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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.