Finding the Fourth Proportional to 159,924.26, 239,869.97 and 53,296.73
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Solution
The fourth proportional to 159,924.26, 239,869.97 and 53,296.73 is: 79,939.63
Step by Step Solution
- Step 1: Write the proportion equation
159,924.26 : 239,869.97 = 53,296.73 : x - Step 2: Convert to fraction form
159,924.26/239,869.97 = 53,296.73/x - Step 3: Cross multiply
159,924.26x = 239,869.97 × 53,296.73 - Step 4: Simplify right side
159,924.26x = 12,784,286,083.96 - Step 5: Solve for x
x = 12,784,286,083.96/159,924.26 - Step 6: Final answer
x = 79,939.63
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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.