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Finding the Fourth Proportional to 104.93, 157.44 and 44.18

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Solution

The fourth proportional to 104.93, 157.44 and 44.18 is: 66.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    104.93 : 157.44 = 44.18 : x
  2. Step 2: Convert to fraction form
    104.93/157.44 = 44.18/x
  3. Step 3: Cross multiply
    104.93x = 157.44 × 44.18
  4. Step 4: Simplify right side
    104.93x = 6,955.67
  5. Step 5: Solve for x
    x = 6,955.67/104.93
  6. Step 6: Final answer
    x = 66.29

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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.