Finding the Fourth Proportional to 175,052.40, 262,708.20 and 69,946.80
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Solution
The fourth proportional to 175,052.40, 262,708.20 and 69,946.80 is: 104,971.99
Step by Step Solution
- Step 1: Write the proportion equation
175,052.40 : 262,708.20 = 69,946.80 : x - Step 2: Convert to fraction form
175,052.40/262,708.20 = 69,946.80/x - Step 3: Cross multiply
175,052.40x = 262,708.20 × 69,946.80 - Step 4: Simplify right side
175,052.40x = 18,375,597,923.76 - Step 5: Solve for x
x = 18,375,597,923.76/175,052.40 - Step 6: Final answer
x = 104,971.99
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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.