Finding the Fourth Proportional to 168,556.75, 232,615.10 and 96,936.75
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Solution
The fourth proportional to 168,556.75, 232,615.10 and 96,936.75 is: 133,776.62
Step by Step Solution
- Step 1: Write the proportion equation
168,556.75 : 232,615.10 = 96,936.75 : x - Step 2: Convert to fraction form
168,556.75/232,615.10 = 96,936.75/x - Step 3: Cross multiply
168,556.75x = 232,615.10 × 96,936.75 - Step 4: Simplify right side
168,556.75x = 22,548,951,794.93 - Step 5: Solve for x
x = 22,548,951,794.93/168,556.75 - Step 6: Final answer
x = 133,776.62
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1.5x scale
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.