Finding the Fourth Proportional to 125,555.24, 173,263.38 and 68,965.40
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Solution
The fourth proportional to 125,555.24, 173,263.38 and 68,965.40 is: 95,170.69
Step by Step Solution
- Step 1: Write the proportion equation
125,555.24 : 173,263.38 = 68,965.40 : x - Step 2: Convert to fraction form
125,555.24/173,263.38 = 68,965.40/x - Step 3: Cross multiply
125,555.24x = 173,263.38 × 68,965.40 - Step 4: Simplify right side
125,555.24x = 11,949,178,307.05 - Step 5: Solve for x
x = 11,949,178,307.05/125,555.24 - Step 6: Final answer
x = 95,170.69
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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.