Finding the Fourth Proportional to 170,662.99, 255,998.18 and 52,331.71
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Solution
The fourth proportional to 170,662.99, 255,998.18 and 52,331.71 is: 78,498.70
Step by Step Solution
- Step 1: Write the proportion equation
170,662.99 : 255,998.18 = 52,331.71 : x - Step 2: Convert to fraction form
170,662.99/255,998.18 = 52,331.71/x - Step 3: Cross multiply
170,662.99x = 255,998.18 × 52,331.71 - Step 4: Simplify right side
170,662.99x = 13,396,822,516.29 - Step 5: Solve for x
x = 13,396,822,516.29/170,662.99 - Step 6: Final answer
x = 78,498.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.