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Finding the Fourth Proportional to 178.49, 246.24 and 116.33

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Solution

The fourth proportional to 178.49, 246.24 and 116.33 is: 160.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    178.49 : 246.24 = 116.33 : x
  2. Step 2: Convert to fraction form
    178.49/246.24 = 116.33/x
  3. Step 3: Cross multiply
    178.49x = 246.24 × 116.33
  4. Step 4: Simplify right side
    178.49x = 28,643.87
  5. Step 5: Solve for x
    x = 28,643.87/178.49
  6. Step 6: Final answer
    x = 160.48

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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.