Finding the Fourth Proportional to 144,609.33, 216,781.14 and 49,816.99
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Solution
The fourth proportional to 144,609.33, 216,781.14 and 49,816.99 is: 74,679.72
Step by Step Solution
- Step 1: Write the proportion equation
144,609.33 : 216,781.14 = 49,816.99 : x - Step 2: Convert to fraction form
144,609.33/216,781.14 = 49,816.99/x - Step 3: Cross multiply
144,609.33x = 216,781.14 × 49,816.99 - Step 4: Simplify right side
144,609.33x = 10,799,384,341.36 - Step 5: Solve for x
x = 10,799,384,341.36/144,609.33 - Step 6: Final answer
x = 74,679.72
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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.