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Finding the Fourth Proportional to 168,954.66, 253,468.44 and 50,636.34

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Solution

The fourth proportional to 168,954.66, 253,468.44 and 50,636.34 is: 75,965.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,954.66 : 253,468.44 = 50,636.34 : x
  2. Step 2: Convert to fraction form
    168,954.66/253,468.44 = 50,636.34/x
  3. Step 3: Cross multiply
    168,954.66x = 253,468.44 × 50,636.34
  4. Step 4: Simplify right side
    168,954.66x = 12,834,714,107.11
  5. Step 5: Solve for x
    x = 12,834,714,107.11/168,954.66
  6. Step 6: Final answer
    x = 75,965.43

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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.