Finding the Fourth Proportional to 171,593.12, 236,718.41 and 107,966.00
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Solution
The fourth proportional to 171,593.12, 236,718.41 and 107,966.00 is: 148,942.69
Step by Step Solution
- Step 1: Write the proportion equation
171,593.12 : 236,718.41 = 107,966.00 : x - Step 2: Convert to fraction form
171,593.12/236,718.41 = 107,966.00/x - Step 3: Cross multiply
171,593.12x = 236,718.41 × 107,966.00 - Step 4: Simplify right side
171,593.12x = 25,557,540,715.77 - Step 5: Solve for x
x = 25,557,540,715.77/171,593.12 - Step 6: Final answer
x = 148,942.69
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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.