Finding the Fourth Proportional to 336,122.70, 504,281.97 and 99,471.66
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Solution
The fourth proportional to 336,122.70, 504,281.97 and 99,471.66 is: 149,236.47
Step by Step Solution
- Step 1: Write the proportion equation
336,122.70 : 504,281.97 = 99,471.66 : x - Step 2: Convert to fraction form
336,122.70/504,281.97 = 99,471.66/x - Step 3: Cross multiply
336,122.70x = 504,281.97 × 99,471.66 - Step 4: Simplify right side
336,122.70x = 50,161,764,663.97 - Step 5: Solve for x
x = 50,161,764,663.97/336,122.70 - Step 6: Final answer
x = 149,236.47
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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.