Finding the Fourth Proportional to 170,869.11, 235,791.86 and 95,415.99
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Solution
The fourth proportional to 170,869.11, 235,791.86 and 95,415.99 is: 131,669.87
Step by Step Solution
- Step 1: Write the proportion equation
170,869.11 : 235,791.86 = 95,415.99 : x - Step 2: Convert to fraction form
170,869.11/235,791.86 = 95,415.99/x - Step 3: Cross multiply
170,869.11x = 235,791.86 × 95,415.99 - Step 4: Simplify right side
170,869.11x = 22,498,313,278.76 - Step 5: Solve for x
x = 22,498,313,278.76/170,869.11 - Step 6: Final answer
x = 131,669.87
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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.