Finding the Fourth Proportional to 106,081.76, 159,110.76 and 27,197.84
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Solution
The fourth proportional to 106,081.76, 159,110.76 and 27,197.84 is: 40,793.71
Step by Step Solution
- Step 1: Write the proportion equation
106,081.76 : 159,110.76 = 27,197.84 : x - Step 2: Convert to fraction form
106,081.76/159,110.76 = 27,197.84/x - Step 3: Cross multiply
106,081.76x = 159,110.76 × 27,197.84 - Step 4: Simplify right side
106,081.76x = 4,327,468,992.76 - Step 5: Solve for x
x = 4,327,468,992.76/106,081.76 - Step 6: Final answer
x = 40,793.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.