Finding the Fourth Proportional to 170,336.88, 235,065.12 and 92,812.12
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Solution
The fourth proportional to 170,336.88, 235,065.12 and 92,812.12 is: 128,080.85
Step by Step Solution
- Step 1: Write the proportion equation
170,336.88 : 235,065.12 = 92,812.12 : x - Step 2: Convert to fraction form
170,336.88/235,065.12 = 92,812.12/x - Step 3: Cross multiply
170,336.88x = 235,065.12 × 92,812.12 - Step 4: Simplify right side
170,336.88x = 21,816,892,125.25 - Step 5: Solve for x
x = 21,816,892,125.25/170,336.88 - Step 6: Final answer
x = 128,080.85
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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.