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Finding the Fourth Proportional to 178.27, 246.01 and 104.59

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Solution

The fourth proportional to 178.27, 246.01 and 104.59 is: 144.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    178.27 : 246.01 = 104.59 : x
  2. Step 2: Convert to fraction form
    178.27/246.01 = 104.59/x
  3. Step 3: Cross multiply
    178.27x = 246.01 × 104.59
  4. Step 4: Simplify right side
    178.27x = 25,728.96
  5. Step 5: Solve for x
    x = 25,728.96/178.27
  6. Step 6: Final answer
    x = 144.33

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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.