Finding the Fourth Proportional to 96,199.74, 144,328.74 and 68,174.10
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Solution
The fourth proportional to 96,199.74, 144,328.74 and 68,174.10 is: 102,281.79
Step by Step Solution
- Step 1: Write the proportion equation
96,199.74 : 144,328.74 = 68,174.10 : x - Step 2: Convert to fraction form
96,199.74/144,328.74 = 68,174.10/x - Step 3: Cross multiply
96,199.74x = 144,328.74 × 68,174.10 - Step 4: Simplify right side
96,199.74x = 9,839,481,953.63 - Step 5: Solve for x
x = 9,839,481,953.63/96,199.74 - Step 6: Final answer
x = 102,281.79
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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.