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Finding the Fourth Proportional to 271,122.69, 373,993.49 and 169,099.14

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Solution

The fourth proportional to 271,122.69, 373,993.49 and 169,099.14 is: 233,259.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,122.69 : 373,993.49 = 169,099.14 : x
  2. Step 2: Convert to fraction form
    271,122.69/373,993.49 = 169,099.14/x
  3. Step 3: Cross multiply
    271,122.69x = 373,993.49 × 169,099.14
  4. Step 4: Simplify right side
    271,122.69x = 63,241,976,679.10
  5. Step 5: Solve for x
    x = 63,241,976,679.10/271,122.69
  6. Step 6: Final answer
    x = 233,259.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.