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Finding the Fourth Proportional to 246,277.48, 339,855.24 and 138,846

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Solution

The fourth proportional to 246,277.48, 339,855.24 and 138,846 is: 191,603.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,277.48 : 339,855.24 = 138,846 : x
  2. Step 2: Convert to fraction form
    246,277.48/339,855.24 = 138,846/x
  3. Step 3: Cross multiply
    246,277.48x = 339,855.24 × 138,846
  4. Step 4: Simplify right side
    246,277.48x = 47,187,540,653.04
  5. Step 5: Solve for x
    x = 47,187,540,653.04/246,277.48
  6. Step 6: Final answer
    x = 191,603.15

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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.