Finding the Fourth Proportional to 106,859.24, 160,299.74 and 36,729.48
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Solution
The fourth proportional to 106,859.24, 160,299.74 and 36,729.48 is: 55,097.96
Step by Step Solution
- Step 1: Write the proportion equation
106,859.24 : 160,299.74 = 36,729.48 : x - Step 2: Convert to fraction form
106,859.24/160,299.74 = 36,729.48/x - Step 3: Cross multiply
106,859.24x = 160,299.74 × 36,729.48 - Step 4: Simplify right side
106,859.24x = 5,887,726,094.34 - Step 5: Solve for x
x = 5,887,726,094.34/106,859.24 - Step 6: Final answer
x = 55,097.96
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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.