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Finding the Fourth Proportional to 112,553.50, 168,835.92 and 33,668.41

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Solution

The fourth proportional to 112,553.50, 168,835.92 and 33,668.41 is: 50,504.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,553.50 : 168,835.92 = 33,668.41 : x
  2. Step 2: Convert to fraction form
    112,553.50/168,835.92 = 33,668.41/x
  3. Step 3: Cross multiply
    112,553.50x = 168,835.92 × 33,668.41
  4. Step 4: Simplify right side
    112,553.50x = 5,684,436,977.29
  5. Step 5: Solve for x
    x = 5,684,436,977.29/112,553.50
  6. Step 6: Final answer
    x = 50,504.31

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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.