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Finding the Fourth Proportional to 146.60, 202.02 and 136.68

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Solution

The fourth proportional to 146.60, 202.02 and 136.68 is: 188.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    146.60 : 202.02 = 136.68 : x
  2. Step 2: Convert to fraction form
    146.60/202.02 = 136.68/x
  3. Step 3: Cross multiply
    146.60x = 202.02 × 136.68
  4. Step 4: Simplify right side
    146.60x = 27,612.09
  5. Step 5: Solve for x
    x = 27,612.09/146.60
  6. Step 6: Final answer
    x = 188.35

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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.