Finding the Fourth Proportional to 170,879.12, 235,812.44 and 94,398.26
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Solution
The fourth proportional to 170,879.12, 235,812.44 and 94,398.26 is: 130,269.18
Step by Step Solution
- Step 1: Write the proportion equation
170,879.12 : 235,812.44 = 94,398.26 : x - Step 2: Convert to fraction form
170,879.12/235,812.44 = 94,398.26/x - Step 3: Cross multiply
170,879.12x = 235,812.44 × 94,398.26 - Step 4: Simplify right side
170,879.12x = 22,260,282,371.30 - Step 5: Solve for x
x = 22,260,282,371.30/170,879.12 - Step 6: Final answer
x = 130,269.18
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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.