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Finding the Fourth Proportional to 116.36, 174.55 and 44.22

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Solution

The fourth proportional to 116.36, 174.55 and 44.22 is: 66.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.36 : 174.55 = 44.22 : x
  2. Step 2: Convert to fraction form
    116.36/174.55 = 44.22/x
  3. Step 3: Cross multiply
    116.36x = 174.55 × 44.22
  4. Step 4: Simplify right side
    116.36x = 7,718.60
  5. Step 5: Solve for x
    x = 7,718.60/116.36
  6. Step 6: Final answer
    x = 66.33

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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.