Finding the Fourth Proportional to 275,125.01, 412,688.12 and 75,448.26
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Solution
The fourth proportional to 275,125.01, 412,688.12 and 75,448.26 is: 113,172.56
Step by Step Solution
- Step 1: Write the proportion equation
275,125.01 : 412,688.12 = 75,448.26 : x - Step 2: Convert to fraction form
275,125.01/412,688.12 = 75,448.26/x - Step 3: Cross multiply
275,125.01x = 412,688.12 × 75,448.26 - Step 4: Simplify right side
275,125.01x = 31,136,600,199.43 - Step 5: Solve for x
x = 31,136,600,199.43/275,125.01 - Step 6: Final answer
x = 113,172.56
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1.5x scale
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.