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Finding the Fourth Proportional to 193.57, 266.83 and 162.59

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Solution

The fourth proportional to 193.57, 266.83 and 162.59 is: 224.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.57 : 266.83 = 162.59 : x
  2. Step 2: Convert to fraction form
    193.57/266.83 = 162.59/x
  3. Step 3: Cross multiply
    193.57x = 266.83 × 162.59
  4. Step 4: Simplify right side
    193.57x = 43,382.15
  5. Step 5: Solve for x
    x = 43,382.15/193.57
  6. Step 6: Final answer
    x = 224.12

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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.