Finding the Fourth Proportional to 170,806.76, 235,708.86 and 94,331.42
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Solution
The fourth proportional to 170,806.76, 235,708.86 and 94,331.42 is: 130,174.89
Step by Step Solution
- Step 1: Write the proportion equation
170,806.76 : 235,708.86 = 94,331.42 : x - Step 2: Convert to fraction form
170,806.76/235,708.86 = 94,331.42/x - Step 3: Cross multiply
170,806.76x = 235,708.86 × 94,331.42 - Step 4: Simplify right side
170,806.76x = 22,234,751,470.38 - Step 5: Solve for x
x = 22,234,751,470.38/170,806.76 - Step 6: Final answer
x = 130,174.89
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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.