Finding the Fourth Proportional to 311,074.92, 466,686.70 and 100,713.08
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Solution
The fourth proportional to 311,074.92, 466,686.70 and 100,713.08 is: 151,093.68
Step by Step Solution
- Step 1: Write the proportion equation
311,074.92 : 466,686.70 = 100,713.08 : x - Step 2: Convert to fraction form
311,074.92/466,686.70 = 100,713.08/x - Step 3: Cross multiply
311,074.92x = 466,686.70 × 100,713.08 - Step 4: Simplify right side
311,074.92x = 47,001,454,952.04 - Step 5: Solve for x
x = 47,001,454,952.04/311,074.92 - Step 6: Final answer
x = 151,093.68
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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.