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Finding the Fourth Proportional to 271,870.87, 375,286.44 and 181,193.75

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Solution

The fourth proportional to 271,870.87, 375,286.44 and 181,193.75 is: 250,117.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,870.87 : 375,286.44 = 181,193.75 : x
  2. Step 2: Convert to fraction form
    271,870.87/375,286.44 = 181,193.75/x
  3. Step 3: Cross multiply
    271,870.87x = 375,286.44 × 181,193.75
  4. Step 4: Simplify right side
    271,870.87x = 67,999,556,481.78
  5. Step 5: Solve for x
    x = 67,999,556,481.78/271,870.87
  6. Step 6: Final answer
    x = 250,117.11

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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.