Finding the Fourth Proportional to 99,325.49, 148,990.93 and 29,207.03
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Solution
The fourth proportional to 99,325.49, 148,990.93 and 29,207.03 is: 43,811.33
Step by Step Solution
- Step 1: Write the proportion equation
99,325.49 : 148,990.93 = 29,207.03 : x - Step 2: Convert to fraction form
99,325.49/148,990.93 = 29,207.03/x - Step 3: Cross multiply
99,325.49x = 148,990.93 × 29,207.03 - Step 4: Simplify right side
99,325.49x = 4,351,581,744.27 - Step 5: Solve for x
x = 4,351,581,744.27/99,325.49 - Step 6: Final answer
x = 43,811.33
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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.