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Finding the Fourth Proportional to 113,155.43, 169,764.92 and 33,195.29

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Solution

The fourth proportional to 113,155.43, 169,764.92 and 33,195.29 is: 49,802.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,155.43 : 169,764.92 = 33,195.29 : x
  2. Step 2: Convert to fraction form
    113,155.43/169,764.92 = 33,195.29/x
  3. Step 3: Cross multiply
    113,155.43x = 169,764.92 × 33,195.29
  4. Step 4: Simplify right side
    113,155.43x = 5,635,394,736.43
  5. Step 5: Solve for x
    x = 5,635,394,736.43/113,155.43
  6. Step 6: Final answer
    x = 49,802.25

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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.