Finding the Fourth Proportional to 99,762.12, 149,644.49 and 33,202.26
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Solution
The fourth proportional to 99,762.12, 149,644.49 and 33,202.26 is: 49,803.82
Step by Step Solution
- Step 1: Write the proportion equation
99,762.12 : 149,644.49 = 33,202.26 : x - Step 2: Convert to fraction form
99,762.12/149,644.49 = 33,202.26/x - Step 3: Cross multiply
99,762.12x = 149,644.49 × 33,202.26 - Step 4: Simplify right side
99,762.12x = 4,968,535,098.54 - Step 5: Solve for x
x = 4,968,535,098.54/99,762.12 - Step 6: Final answer
x = 49,803.82
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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.