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Finding the Fourth Proportional to 168,626.80, 252,940.20 and 108,751.60

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Solution

The fourth proportional to 168,626.80, 252,940.20 and 108,751.60 is: 163,127.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,626.80 : 252,940.20 = 108,751.60 : x
  2. Step 2: Convert to fraction form
    168,626.80/252,940.20 = 108,751.60/x
  3. Step 3: Cross multiply
    168,626.80x = 252,940.20 × 108,751.60
  4. Step 4: Simplify right side
    168,626.80x = 27,507,651,454.32
  5. Step 5: Solve for x
    x = 27,507,651,454.32/168,626.80
  6. Step 6: Final answer
    x = 163,127.40

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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.