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Finding the Fourth Proportional to 246,346.67, 339,958.91 and 133,169.42

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Solution

The fourth proportional to 246,346.67, 339,958.91 and 133,169.42 is: 183,774.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,346.67 : 339,958.91 = 133,169.42 : x
  2. Step 2: Convert to fraction form
    246,346.67/339,958.91 = 133,169.42/x
  3. Step 3: Cross multiply
    246,346.67x = 339,958.91 × 133,169.42
  4. Step 4: Simplify right side
    246,346.67x = 45,272,128,502.89
  5. Step 5: Solve for x
    x = 45,272,128,502.89/246,346.67
  6. Step 6: Final answer
    x = 183,774.07

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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.