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Finding the Fourth Proportional to 174,529.20, 261,793.80 and 162,778.80

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Solution

The fourth proportional to 174,529.20, 261,793.80 and 162,778.80 is: 244,168.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,529.20 : 261,793.80 = 162,778.80 : x
  2. Step 2: Convert to fraction form
    174,529.20/261,793.80 = 162,778.80/x
  3. Step 3: Cross multiply
    174,529.20x = 261,793.80 × 162,778.80
  4. Step 4: Simplify right side
    174,529.20x = 42,614,480,611.44
  5. Step 5: Solve for x
    x = 42,614,480,611.44/174,529.20
  6. Step 6: Final answer
    x = 244,168.20

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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.