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Finding the Fourth Proportional to 240.41, 360.44 and 118.51

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Solution

The fourth proportional to 240.41, 360.44 and 118.51 is: 177.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.41 : 360.44 = 118.51 : x
  2. Step 2: Convert to fraction form
    240.41/360.44 = 118.51/x
  3. Step 3: Cross multiply
    240.41x = 360.44 × 118.51
  4. Step 4: Simplify right side
    240.41x = 42,713.94
  5. Step 5: Solve for x
    x = 42,713.94/240.41
  6. Step 6: Final answer
    x = 177.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.