Finding the Fourth Proportional to 171,660.48, 236,822.48 and 107,091.68
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Solution
The fourth proportional to 171,660.48, 236,822.48 and 107,091.68 is: 147,743.48
Step by Step Solution
- Step 1: Write the proportion equation
171,660.48 : 236,822.48 = 107,091.68 : x - Step 2: Convert to fraction form
171,660.48/236,822.48 = 107,091.68/x - Step 3: Cross multiply
171,660.48x = 236,822.48 × 107,091.68 - Step 4: Simplify right side
171,660.48x = 25,361,717,244.97 - Step 5: Solve for x
x = 25,361,717,244.97/171,660.48 - Step 6: Final answer
x = 147,743.48
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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.