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Finding the Fourth Proportional to 271,755.99, 407,190.08 and 165,172.54

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Solution

The fourth proportional to 271,755.99, 407,190.08 and 165,172.54 is: 247,489.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,755.99 : 407,190.08 = 165,172.54 : x
  2. Step 2: Convert to fraction form
    271,755.99/407,190.08 = 165,172.54/x
  3. Step 3: Cross multiply
    271,755.99x = 407,190.08 × 165,172.54
  4. Step 4: Simplify right side
    271,755.99x = 67,256,619,776.40
  5. Step 5: Solve for x
    x = 67,256,619,776.40/271,755.99
  6. Step 6: Final answer
    x = 247,489.01

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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.