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Finding the Fourth Proportional to 169,991.63, 234,579.22 and 93,498.38

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Solution

The fourth proportional to 169,991.63, 234,579.22 and 93,498.38 is: 129,022.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,991.63 : 234,579.22 = 93,498.38 : x
  2. Step 2: Convert to fraction form
    169,991.63/234,579.22 = 93,498.38/x
  3. Step 3: Cross multiply
    169,991.63x = 234,579.22 × 93,498.38
  4. Step 4: Simplify right side
    169,991.63x = 21,932,777,345.61
  5. Step 5: Solve for x
    x = 21,932,777,345.61/169,991.63
  6. Step 6: Final answer
    x = 129,022.69

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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.