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Finding the Fourth Proportional to 246,486.56, 339,994.88 and 161,609.12

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Solution

The fourth proportional to 246,486.56, 339,994.88 and 161,609.12 is: 222,917.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,486.56 : 339,994.88 = 161,609.12 : x
  2. Step 2: Convert to fraction form
    246,486.56/339,994.88 = 161,609.12/x
  3. Step 3: Cross multiply
    246,486.56x = 339,994.88 × 161,609.12
  4. Step 4: Simplify right side
    246,486.56x = 54,946,273,361.31
  5. Step 5: Solve for x
    x = 54,946,273,361.31/246,486.56
  6. Step 6: Final answer
    x = 222,917.93

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1.5x scale

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.