Finding the Fourth Proportional to 116,269.92, 160,457.76 and 68,525.28
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Solution
The fourth proportional to 116,269.92, 160,457.76 and 68,525.28 is: 94,567.99
Step by Step Solution
- Step 1: Write the proportion equation
116,269.92 : 160,457.76 = 68,525.28 : x - Step 2: Convert to fraction form
116,269.92/160,457.76 = 68,525.28/x - Step 3: Cross multiply
116,269.92x = 160,457.76 × 68,525.28 - Step 4: Simplify right side
116,269.92x = 10,995,412,932.17 - Step 5: Solve for x
x = 10,995,412,932.17/116,269.92 - Step 6: Final answer
x = 94,567.99
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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.