Finding the Fourth Proportional to 133,099.19, 199,529.78 and 48,839.79
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Solution
The fourth proportional to 133,099.19, 199,529.78 and 48,839.79 is: 73,216.02
Step by Step Solution
- Step 1: Write the proportion equation
133,099.19 : 199,529.78 = 48,839.79 : x - Step 2: Convert to fraction form
133,099.19/199,529.78 = 48,839.79/x - Step 3: Cross multiply
133,099.19x = 199,529.78 × 48,839.79 - Step 4: Simplify right side
133,099.19x = 9,744,992,309.75 - Step 5: Solve for x
x = 9,744,992,309.75/133,099.19 - Step 6: Final answer
x = 73,216.02
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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.