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Finding the Fourth Proportional to 246,147, 339,682.86 and 132,969.76

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Solution

The fourth proportional to 246,147, 339,682.86 and 132,969.76 is: 183,498.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,147 : 339,682.86 = 132,969.76 : x
  2. Step 2: Convert to fraction form
    246,147/339,682.86 = 132,969.76/x
  3. Step 3: Cross multiply
    246,147x = 339,682.86 × 132,969.76
  4. Step 4: Simplify right side
    246,147x = 45,167,548,370.31
  5. Step 5: Solve for x
    x = 45,167,548,370.31/246,147
  6. Step 6: Final answer
    x = 183,498.27

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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.