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Finding the Fourth Proportional to 168,027.20, 252,040.80 and 164,090.60

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Solution

The fourth proportional to 168,027.20, 252,040.80 and 164,090.60 is: 246,135.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,027.20 : 252,040.80 = 164,090.60 : x
  2. Step 2: Convert to fraction form
    168,027.20/252,040.80 = 164,090.60/x
  3. Step 3: Cross multiply
    168,027.20x = 252,040.80 × 164,090.60
  4. Step 4: Simplify right side
    168,027.20x = 41,357,526,096.48
  5. Step 5: Solve for x
    x = 41,357,526,096.48/168,027.20
  6. Step 6: Final answer
    x = 246,135.90

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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.