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Finding the Fourth Proportional to 168,660.55, 252,991.92 and 67,467.06

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Solution

The fourth proportional to 168,660.55, 252,991.92 and 67,467.06 is: 101,201.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,660.55 : 252,991.92 = 67,467.06 : x
  2. Step 2: Convert to fraction form
    168,660.55/252,991.92 = 67,467.06/x
  3. Step 3: Cross multiply
    168,660.55x = 252,991.92 × 67,467.06
  4. Step 4: Simplify right side
    168,660.55x = 17,068,621,299.16
  5. Step 5: Solve for x
    x = 17,068,621,299.16/168,660.55
  6. Step 6: Final answer
    x = 101,201.03

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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.