Finding the Fourth Proportional to 127,304.10, 175,679.70 and 69,947.09
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Solution
The fourth proportional to 127,304.10, 175,679.70 and 69,947.09 is: 96,527.01
Step by Step Solution
- Step 1: Write the proportion equation
127,304.10 : 175,679.70 = 69,947.09 : x - Step 2: Convert to fraction form
127,304.10/175,679.70 = 69,947.09/x - Step 3: Cross multiply
127,304.10x = 175,679.70 × 69,947.09 - Step 4: Simplify right side
127,304.10x = 12,288,284,226.27 - Step 5: Solve for x
x = 12,288,284,226.27/127,304.10 - Step 6: Final answer
x = 96,527.01
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1.5x scale
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.