Finding the Fourth Proportional to 107,106.66, 160,462.93 and 67,118.19
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Solution
The fourth proportional to 107,106.66, 160,462.93 and 67,118.19 is: 100,553.80
Step by Step Solution
- Step 1: Write the proportion equation
107,106.66 : 160,462.93 = 67,118.19 : x - Step 2: Convert to fraction form
107,106.66/160,462.93 = 67,118.19/x - Step 3: Cross multiply
107,106.66x = 160,462.93 × 67,118.19 - Step 4: Simplify right side
107,106.66x = 10,769,981,423.70 - Step 5: Solve for x
x = 10,769,981,423.70/107,106.66 - Step 6: Final answer
x = 100,553.80
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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.