Finding the Fourth Proportional to 303,423.16, 418,723.26 and 167,465.44
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Solution
The fourth proportional to 303,423.16, 418,723.26 and 167,465.44 is: 231,101.92
Step by Step Solution
- Step 1: Write the proportion equation
303,423.16 : 418,723.26 = 167,465.44 : x - Step 2: Convert to fraction form
303,423.16/418,723.26 = 167,465.44/x - Step 3: Cross multiply
303,423.16x = 418,723.26 × 167,465.44 - Step 4: Simplify right side
303,423.16x = 70,121,674,974.13 - Step 5: Solve for x
x = 70,121,674,974.13/303,423.16 - Step 6: Final answer
x = 231,101.92
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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.