Finding the Fourth Proportional to 171,455.52, 257,250.72 and 53,136
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Solution
The fourth proportional to 171,455.52, 257,250.72 and 53,136 is: 79,724.90
Step by Step Solution
- Step 1: Write the proportion equation
171,455.52 : 257,250.72 = 53,136 : x - Step 2: Convert to fraction form
171,455.52/257,250.72 = 53,136/x - Step 3: Cross multiply
171,455.52x = 257,250.72 × 53,136 - Step 4: Simplify right side
171,455.52x = 13,669,274,257.92 - Step 5: Solve for x
x = 13,669,274,257.92/171,455.52 - Step 6: Final answer
x = 79,724.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.