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Finding the Fourth Proportional to 123,067.91, 184,605.91 and 34,313.91

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Solution

The fourth proportional to 123,067.91, 184,605.91 and 34,313.91 is: 51,471.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,067.91 : 184,605.91 = 34,313.91 : x
  2. Step 2: Convert to fraction form
    123,067.91/184,605.91 = 34,313.91/x
  3. Step 3: Cross multiply
    123,067.91x = 184,605.91 × 34,313.91
  4. Step 4: Simplify right side
    123,067.91x = 6,334,550,581.21
  5. Step 5: Solve for x
    x = 6,334,550,581.21/123,067.91
  6. Step 6: Final answer
    x = 51,471.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.