Finding the Fourth Proportional to 171,745.68, 236,899.98 and 124,069.08
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Solution
The fourth proportional to 171,745.68, 236,899.98 and 124,069.08 is: 171,136.55
Step by Step Solution
- Step 1: Write the proportion equation
171,745.68 : 236,899.98 = 124,069.08 : x - Step 2: Convert to fraction form
171,745.68/236,899.98 = 124,069.08/x - Step 3: Cross multiply
171,745.68x = 236,899.98 × 124,069.08 - Step 4: Simplify right side
171,745.68x = 29,391,962,570.62 - Step 5: Solve for x
x = 29,391,962,570.62/171,745.68 - Step 6: Final answer
x = 171,136.55
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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.