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Finding the Fourth Proportional to 175,231.80, 262,847.70 and 135,910.20

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Solution

The fourth proportional to 175,231.80, 262,847.70 and 135,910.20 is: 203,865.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,231.80 : 262,847.70 = 135,910.20 : x
  2. Step 2: Convert to fraction form
    175,231.80/262,847.70 = 135,910.20/x
  3. Step 3: Cross multiply
    175,231.80x = 262,847.70 × 135,910.20
  4. Step 4: Simplify right side
    175,231.80x = 35,723,683,476.54
  5. Step 5: Solve for x
    x = 35,723,683,476.54/175,231.80
  6. Step 6: Final answer
    x = 203,865.30

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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.