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Finding the Fourth Proportional to 271,245.94, 374,299.75 and 148,718.70

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Solution

The fourth proportional to 271,245.94, 374,299.75 and 148,718.70 is: 205,221.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,245.94 : 374,299.75 = 148,718.70 : x
  2. Step 2: Convert to fraction form
    271,245.94/374,299.75 = 148,718.70/x
  3. Step 3: Cross multiply
    271,245.94x = 374,299.75 × 148,718.70
  4. Step 4: Simplify right side
    271,245.94x = 55,665,372,230.33
  5. Step 5: Solve for x
    x = 55,665,372,230.33/271,245.94
  6. Step 6: Final answer
    x = 205,221.03

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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.