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Finding the Fourth Proportional to 199.84, 299.46 and 183.08

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Solution

The fourth proportional to 199.84, 299.46 and 183.08 is: 274.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    199.84 : 299.46 = 183.08 : x
  2. Step 2: Convert to fraction form
    199.84/299.46 = 183.08/x
  3. Step 3: Cross multiply
    199.84x = 299.46 × 183.08
  4. Step 4: Simplify right side
    199.84x = 54,825.14
  5. Step 5: Solve for x
    x = 54,825.14/199.84
  6. Step 6: Final answer
    x = 274.35

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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.