Finding the Fourth Proportional to 163,021.44, 244,532.97 and 74,212.83
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Solution
The fourth proportional to 163,021.44, 244,532.97 and 74,212.83 is: 111,319.61
Step by Step Solution
- Step 1: Write the proportion equation
163,021.44 : 244,532.97 = 74,212.83 : x - Step 2: Convert to fraction form
163,021.44/244,532.97 = 74,212.83/x - Step 3: Cross multiply
163,021.44x = 244,532.97 × 74,212.83 - Step 4: Simplify right side
163,021.44x = 18,147,483,732.01 - Step 5: Solve for x
x = 18,147,483,732.01/163,021.44 - Step 6: Final answer
x = 111,319.61
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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.