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Finding the Fourth Proportional to 146.91, 202.73 and 84.74

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Solution

The fourth proportional to 146.91, 202.73 and 84.74 is: 116.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    146.91 : 202.73 = 84.74 : x
  2. Step 2: Convert to fraction form
    146.91/202.73 = 84.74/x
  3. Step 3: Cross multiply
    146.91x = 202.73 × 84.74
  4. Step 4: Simplify right side
    146.91x = 17,179.34
  5. Step 5: Solve for x
    x = 17,179.34/146.91
  6. Step 6: Final answer
    x = 116.94

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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.