Finding the Fourth Proportional to 170,959.80, 235,912.16 and 94,477.98
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Solution
The fourth proportional to 170,959.80, 235,912.16 and 94,477.98 is: 130,372.78
Step by Step Solution
- Step 1: Write the proportion equation
170,959.80 : 235,912.16 = 94,477.98 : x - Step 2: Convert to fraction form
170,959.80/235,912.16 = 94,477.98/x - Step 3: Cross multiply
170,959.80x = 235,912.16 × 94,477.98 - Step 4: Simplify right side
170,959.80x = 22,288,504,334.24 - Step 5: Solve for x
x = 22,288,504,334.24/170,959.80 - Step 6: Final answer
x = 130,372.78
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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.