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Finding the Fourth Proportional to 249.99, 376.41 and 181.98

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Solution

The fourth proportional to 249.99, 376.41 and 181.98 is: 274.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.99 : 376.41 = 181.98 : x
  2. Step 2: Convert to fraction form
    249.99/376.41 = 181.98/x
  3. Step 3: Cross multiply
    249.99x = 376.41 × 181.98
  4. Step 4: Simplify right side
    249.99x = 68,499.77
  5. Step 5: Solve for x
    x = 68,499.77/249.99
  6. Step 6: Final answer
    x = 274.01

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.