Finding the Fourth Proportional to 110,769.40, 166,154.10 and 44,219.80
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Solution
The fourth proportional to 110,769.40, 166,154.10 and 44,219.80 is: 66,329.70
Step by Step Solution
- Step 1: Write the proportion equation
110,769.40 : 166,154.10 = 44,219.80 : x - Step 2: Convert to fraction form
110,769.40/166,154.10 = 44,219.80/x - Step 3: Cross multiply
110,769.40x = 166,154.10 × 44,219.80 - Step 4: Simplify right side
110,769.40x = 7,347,301,071.18 - Step 5: Solve for x
x = 7,347,301,071.18/110,769.40 - Step 6: Final answer
x = 66,329.70
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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.