Finding the Fourth Proportional to 126,033.28, 173,929.14 and 69,444.70
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Solution
The fourth proportional to 126,033.28, 173,929.14 and 69,444.70 is: 95,835.46
Step by Step Solution
- Step 1: Write the proportion equation
126,033.28 : 173,929.14 = 69,444.70 : x - Step 2: Convert to fraction form
126,033.28/173,929.14 = 69,444.70/x - Step 3: Cross multiply
126,033.28x = 173,929.14 × 69,444.70 - Step 4: Simplify right side
126,033.28x = 12,078,456,948.56 - Step 5: Solve for x
x = 12,078,456,948.56/126,033.28 - Step 6: Final answer
x = 95,835.46
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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.