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Finding the Fourth Proportional to 79,081.60, 118,622.40 and 32,323.54

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Solution

The fourth proportional to 79,081.60, 118,622.40 and 32,323.54 is: 48,485.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,081.60 : 118,622.40 = 32,323.54 : x
  2. Step 2: Convert to fraction form
    79,081.60/118,622.40 = 32,323.54/x
  3. Step 3: Cross multiply
    79,081.60x = 118,622.40 × 32,323.54
  4. Step 4: Simplify right side
    79,081.60x = 3,834,295,891.30
  5. Step 5: Solve for x
    x = 3,834,295,891.30/79,081.60
  6. Step 6: Final answer
    x = 48,485.31

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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.