Finding the Fourth Proportional to 125,924.52, 173,778.84 and 68,566.80
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Solution
The fourth proportional to 125,924.52, 173,778.84 and 68,566.80 is: 94,623.82
Step by Step Solution
- Step 1: Write the proportion equation
125,924.52 : 173,778.84 = 68,566.80 : x - Step 2: Convert to fraction form
125,924.52/173,778.84 = 68,566.80/x - Step 3: Cross multiply
125,924.52x = 173,778.84 × 68,566.80 - Step 4: Simplify right side
125,924.52x = 11,915,458,966.51 - Step 5: Solve for x
x = 11,915,458,966.51/125,924.52 - Step 6: Final answer
x = 94,623.82
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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.