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Finding the Fourth Proportional to 205.84, 284.09 and 150.73

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Solution

The fourth proportional to 205.84, 284.09 and 150.73 is: 208.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    205.84 : 284.09 = 150.73 : x
  2. Step 2: Convert to fraction form
    205.84/284.09 = 150.73/x
  3. Step 3: Cross multiply
    205.84x = 284.09 × 150.73
  4. Step 4: Simplify right side
    205.84x = 42,818.71
  5. Step 5: Solve for x
    x = 42,818.71/205.84
  6. Step 6: Final answer
    x = 208.02

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