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Finding the Fourth Proportional to 199.94, 297.94 and 193.41

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Solution

The fourth proportional to 199.94, 297.94 and 193.41 is: 288.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    199.94 : 297.94 = 193.41 : x
  2. Step 2: Convert to fraction form
    199.94/297.94 = 193.41/x
  3. Step 3: Cross multiply
    199.94x = 297.94 × 193.41
  4. Step 4: Simplify right side
    199.94x = 57,624.58
  5. Step 5: Solve for x
    x = 57,624.58/199.94
  6. Step 6: Final answer
    x = 288.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.