Finding the Fourth Proportional to 208,782.44, 313,173.66 and 61,038.44
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Solution
The fourth proportional to 208,782.44, 313,173.66 and 61,038.44 is: 91,557.66
Step by Step Solution
- Step 1: Write the proportion equation
208,782.44 : 313,173.66 = 61,038.44 : x - Step 2: Convert to fraction form
208,782.44/313,173.66 = 61,038.44/x - Step 3: Cross multiply
208,782.44x = 313,173.66 × 61,038.44 - Step 4: Simplify right side
208,782.44x = 19,115,631,655.49 - Step 5: Solve for x
x = 19,115,631,655.49/208,782.44 - Step 6: Final answer
x = 91,557.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.