Finding the Fourth Proportional to 168,686.22, 232,782.93 and 92,201.88
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Solution
The fourth proportional to 168,686.22, 232,782.93 and 92,201.88 is: 127,236.38
Step by Step Solution
- Step 1: Write the proportion equation
168,686.22 : 232,782.93 = 92,201.88 : x - Step 2: Convert to fraction form
168,686.22/232,782.93 = 92,201.88/x - Step 3: Cross multiply
168,686.22x = 232,782.93 × 92,201.88 - Step 4: Simplify right side
168,686.22x = 21,463,023,777.91 - Step 5: Solve for x
x = 21,463,023,777.91/168,686.22 - Step 6: Final answer
x = 127,236.38
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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.