Finding the Fourth Proportional to 125,822.05, 173,577.19 and 74,805.82
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Solution
The fourth proportional to 125,822.05, 173,577.19 and 74,805.82 is: 103,198.00
Step by Step Solution
- Step 1: Write the proportion equation
125,822.05 : 173,577.19 = 74,805.82 : x - Step 2: Convert to fraction form
125,822.05/173,577.19 = 74,805.82/x - Step 3: Cross multiply
125,822.05x = 173,577.19 × 74,805.82 - Step 4: Simplify right side
125,822.05x = 12,984,584,031.25 - Step 5: Solve for x
x = 12,984,584,031.25/125,822.05 - Step 6: Final answer
x = 103,198.00
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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.