Finding the Fourth Proportional to 168,981.91, 233,198.69 and 93,530.41
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Solution
The fourth proportional to 168,981.91, 233,198.69 and 93,530.41 is: 129,073.99
Step by Step Solution
- Step 1: Write the proportion equation
168,981.91 : 233,198.69 = 93,530.41 : x - Step 2: Convert to fraction form
168,981.91/233,198.69 = 93,530.41/x - Step 3: Cross multiply
168,981.91x = 233,198.69 × 93,530.41 - Step 4: Simplify right side
168,981.91x = 21,811,169,087.16 - Step 5: Solve for x
x = 21,811,169,087.16/168,981.91 - Step 6: Final answer
x = 129,073.99
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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.