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Finding the Fourth Proportional to 146.98, 220.44 and 44.24

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Solution

The fourth proportional to 146.98, 220.44 and 44.24 is: 66.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    146.98 : 220.44 = 44.24 : x
  2. Step 2: Convert to fraction form
    146.98/220.44 = 44.24/x
  3. Step 3: Cross multiply
    146.98x = 220.44 × 44.24
  4. Step 4: Simplify right side
    146.98x = 9,752.27
  5. Step 5: Solve for x
    x = 9,752.27/146.98
  6. Step 6: Final answer
    x = 66.35

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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.