Finding the Fourth Proportional to 125,622.19, 173,358.62 and 69,033.56
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Solution
The fourth proportional to 125,622.19, 173,358.62 and 69,033.56 is: 95,266.32
Step by Step Solution
- Step 1: Write the proportion equation
125,622.19 : 173,358.62 = 69,033.56 : x - Step 2: Convert to fraction form
125,622.19/173,358.62 = 69,033.56/x - Step 3: Cross multiply
125,622.19x = 173,358.62 × 69,033.56 - Step 4: Simplify right side
125,622.19x = 11,967,563,301.27 - Step 5: Solve for x
x = 11,967,563,301.27/125,622.19 - Step 6: Final answer
x = 95,266.32
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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.