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Finding the Fourth Proportional to 223,669.88, 308,670.91 and 123,067.88

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Solution

The fourth proportional to 223,669.88, 308,670.91 and 123,067.88 is: 169,837.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,669.88 : 308,670.91 = 123,067.88 : x
  2. Step 2: Convert to fraction form
    223,669.88/308,670.91 = 123,067.88/x
  3. Step 3: Cross multiply
    223,669.88x = 308,670.91 × 123,067.88
  4. Step 4: Simplify right side
    223,669.88x = 37,987,472,660.35
  5. Step 5: Solve for x
    x = 37,987,472,660.35/223,669.88
  6. Step 6: Final answer
    x = 169,837.23

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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.