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Finding the Fourth Proportional to 167.10, 230.66 and 146.60

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Solution

The fourth proportional to 167.10, 230.66 and 146.60 is: 202.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.10 : 230.66 = 146.60 : x
  2. Step 2: Convert to fraction form
    167.10/230.66 = 146.60/x
  3. Step 3: Cross multiply
    167.10x = 230.66 × 146.60
  4. Step 4: Simplify right side
    167.10x = 33,814.17
  5. Step 5: Solve for x
    x = 33,814.17/167.10
  6. Step 6: Final answer
    x = 202.36

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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.