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Finding the Fourth Proportional to 167,120.40, 250,782.64 and 72,375.92

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Solution

The fourth proportional to 167,120.40, 250,782.64 and 72,375.92 is: 108,608.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,120.40 : 250,782.64 = 72,375.92 : x
  2. Step 2: Convert to fraction form
    167,120.40/250,782.64 = 72,375.92/x
  3. Step 3: Cross multiply
    167,120.40x = 250,782.64 × 72,375.92
  4. Step 4: Simplify right side
    167,120.40x = 18,150,624,290.03
  5. Step 5: Solve for x
    x = 18,150,624,290.03/167,120.40
  6. Step 6: Final answer
    x = 108,608.07

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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.