Finding the Fourth Proportional to 125,699.70, 173,466.57 and 68,338.98
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Solution
The fourth proportional to 125,699.70, 173,466.57 and 68,338.98 is: 94,308.33
Step by Step Solution
- Step 1: Write the proportion equation
125,699.70 : 173,466.57 = 68,338.98 : x - Step 2: Convert to fraction form
125,699.70/173,466.57 = 68,338.98/x - Step 3: Cross multiply
125,699.70x = 173,466.57 × 68,338.98 - Step 4: Simplify right side
125,699.70x = 11,854,528,457.90 - Step 5: Solve for x
x = 11,854,528,457.90/125,699.70 - Step 6: Final answer
x = 94,308.33
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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.