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Finding the Fourth Proportional to 174,991.20, 262,195.20 and 164,493.60

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Solution

The fourth proportional to 174,991.20, 262,195.20 and 164,493.60 is: 246,466.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,991.20 : 262,195.20 = 164,493.60 : x
  2. Step 2: Convert to fraction form
    174,991.20/262,195.20 = 164,493.60/x
  3. Step 3: Cross multiply
    174,991.20x = 262,195.20 × 164,493.60
  4. Step 4: Simplify right side
    174,991.20x = 43,129,432,350.72
  5. Step 5: Solve for x
    x = 43,129,432,350.72/174,991.20
  6. Step 6: Final answer
    x = 246,466.29

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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.