Finding the Fourth Proportional to 171,543.92, 236,604.12 and 117,837.68
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Solution
The fourth proportional to 171,543.92, 236,604.12 and 117,837.68 is: 162,529.11
Step by Step Solution
- Step 1: Write the proportion equation
171,543.92 : 236,604.12 = 117,837.68 : x - Step 2: Convert to fraction form
171,543.92/236,604.12 = 117,837.68/x - Step 3: Cross multiply
171,543.92x = 236,604.12 × 117,837.68 - Step 4: Simplify right side
171,543.92x = 27,880,880,579.24 - Step 5: Solve for x
x = 27,880,880,579.24/171,543.92 - Step 6: Final answer
x = 162,529.11
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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.