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Finding the Fourth Proportional to 246,603.81, 340,276.77 and 149,757.30

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Solution

The fourth proportional to 246,603.81, 340,276.77 and 149,757.30 is: 206,642.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,603.81 : 340,276.77 = 149,757.30 : x
  2. Step 2: Convert to fraction form
    246,603.81/340,276.77 = 149,757.30/x
  3. Step 3: Cross multiply
    246,603.81x = 340,276.77 × 149,757.30
  4. Step 4: Simplify right side
    246,603.81x = 50,958,930,327.92
  5. Step 5: Solve for x
    x = 50,958,930,327.92/246,603.81
  6. Step 6: Final answer
    x = 206,642.92

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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.