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Finding the Fourth Proportional to 246,366.38, 339,986.42 and 133,189.94

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Solution

The fourth proportional to 246,366.38, 339,986.42 and 133,189.94 is: 183,802.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,366.38 : 339,986.42 = 133,189.94 : x
  2. Step 2: Convert to fraction form
    246,366.38/339,986.42 = 133,189.94/x
  3. Step 3: Cross multiply
    246,366.38x = 339,986.42 × 133,189.94
  4. Step 4: Simplify right side
    246,366.38x = 45,282,768,514.73
  5. Step 5: Solve for x
    x = 45,282,768,514.73/246,366.38
  6. Step 6: Final answer
    x = 183,802.55

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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.