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Finding the Fourth Proportional to 223,669, 308,663.22 and 123,067

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Solution

The fourth proportional to 223,669, 308,663.22 and 123,067 is: 169,832.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,669 : 308,663.22 = 123,067 : x
  2. Step 2: Convert to fraction form
    223,669/308,663.22 = 123,067/x
  3. Step 3: Cross multiply
    223,669x = 308,663.22 × 123,067
  4. Step 4: Simplify right side
    223,669x = 37,986,256,495.74
  5. Step 5: Solve for x
    x = 37,986,256,495.74/223,669
  6. Step 6: Final answer
    x = 169,832.46

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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.