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Finding the Fourth Proportional to 246,610.81, 340,286.43 and 149,764.30

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Solution

The fourth proportional to 246,610.81, 340,286.43 and 149,764.30 is: 206,652.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,610.81 : 340,286.43 = 149,764.30 : x
  2. Step 2: Convert to fraction form
    246,610.81/340,286.43 = 149,764.30/x
  3. Step 3: Cross multiply
    246,610.81x = 340,286.43 × 149,764.30
  4. Step 4: Simplify right side
    246,610.81x = 50,962,758,988.45
  5. Step 5: Solve for x
    x = 50,962,758,988.45/246,610.81
  6. Step 6: Final answer
    x = 206,652.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.