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Finding the Fourth Proportional to 193.23, 266.61 and 170.01

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Solution

The fourth proportional to 193.23, 266.61 and 170.01 is: 234.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.23 : 266.61 = 170.01 : x
  2. Step 2: Convert to fraction form
    193.23/266.61 = 170.01/x
  3. Step 3: Cross multiply
    193.23x = 266.61 × 170.01
  4. Step 4: Simplify right side
    193.23x = 45,326.37
  5. Step 5: Solve for x
    x = 45,326.37/193.23
  6. Step 6: Final answer
    x = 234.57

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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.