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Finding the Fourth Proportional to 271,754.99, 407,188.58 and 165,171.54

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Solution

The fourth proportional to 271,754.99, 407,188.58 and 165,171.54 is: 247,487.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,754.99 : 407,188.58 = 165,171.54 : x
  2. Step 2: Convert to fraction form
    271,754.99/407,188.58 = 165,171.54/x
  3. Step 3: Cross multiply
    271,754.99x = 407,188.58 × 165,171.54
  4. Step 4: Simplify right side
    271,754.99x = 67,255,966,118.87
  5. Step 5: Solve for x
    x = 67,255,966,118.87/271,754.99
  6. Step 6: Final answer
    x = 247,487.51

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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.