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Finding the Fourth Proportional to 277.06, 382.34 and 166.53

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Solution

The fourth proportional to 277.06, 382.34 and 166.53 is: 229.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    277.06 : 382.34 = 166.53 : x
  2. Step 2: Convert to fraction form
    277.06/382.34 = 166.53/x
  3. Step 3: Cross multiply
    277.06x = 382.34 × 166.53
  4. Step 4: Simplify right side
    277.06x = 63,671.62
  5. Step 5: Solve for x
    x = 63,671.62/277.06
  6. Step 6: Final answer
    x = 229.82

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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.