Finding the Fourth Proportional to 122,272.22, 168,735.63 and 68,557.23
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Solution
The fourth proportional to 122,272.22, 168,735.63 and 68,557.23 is: 94,608.96
Step by Step Solution
- Step 1: Write the proportion equation
122,272.22 : 168,735.63 = 68,557.23 : x - Step 2: Convert to fraction form
122,272.22/168,735.63 = 68,557.23/x - Step 3: Cross multiply
122,272.22x = 168,735.63 × 68,557.23 - Step 4: Simplify right side
122,272.22x = 11,568,047,395.10 - Step 5: Solve for x
x = 11,568,047,395.10/122,272.22 - Step 6: Final answer
x = 94,608.96
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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.