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Finding the Fourth Proportional to 146.66, 202.22 and 118.94

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Solution

The fourth proportional to 146.66, 202.22 and 118.94 is: 164.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    146.66 : 202.22 = 118.94 : x
  2. Step 2: Convert to fraction form
    146.66/202.22 = 118.94/x
  3. Step 3: Cross multiply
    146.66x = 202.22 × 118.94
  4. Step 4: Simplify right side
    146.66x = 24,052.93
  5. Step 5: Solve for x
    x = 24,052.93/146.66
  6. Step 6: Final answer
    x = 164.00

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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.