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Finding the Fourth Proportional to 167.40, 230.99 and 101.93

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Solution

The fourth proportional to 167.40, 230.99 and 101.93 is: 140.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.40 : 230.99 = 101.93 : x
  2. Step 2: Convert to fraction form
    167.40/230.99 = 101.93/x
  3. Step 3: Cross multiply
    167.40x = 230.99 × 101.93
  4. Step 4: Simplify right side
    167.40x = 23,543.15
  5. Step 5: Solve for x
    x = 23,543.15/167.40
  6. Step 6: Final answer
    x = 140.64

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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.