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Finding the Fourth Proportional to 165,751.20, 248,626.80 and 119,440.80

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Solution

The fourth proportional to 165,751.20, 248,626.80 and 119,440.80 is: 179,161.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,751.20 : 248,626.80 = 119,440.80 : x
  2. Step 2: Convert to fraction form
    165,751.20/248,626.80 = 119,440.80/x
  3. Step 3: Cross multiply
    165,751.20x = 248,626.80 × 119,440.80
  4. Step 4: Simplify right side
    165,751.20x = 29,696,183,893.44
  5. Step 5: Solve for x
    x = 29,696,183,893.44/165,751.20
  6. Step 6: Final answer
    x = 179,161.20

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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.