Finding the Fourth Proportional to 144,603.63, 216,934.74 and 51,174.99
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Solution
The fourth proportional to 144,603.63, 216,934.74 and 51,174.99 is: 76,772.85
Step by Step Solution
- Step 1: Write the proportion equation
144,603.63 : 216,934.74 = 51,174.99 : x - Step 2: Convert to fraction form
144,603.63/216,934.74 = 51,174.99/x - Step 3: Cross multiply
144,603.63x = 216,934.74 × 51,174.99 - Step 4: Simplify right side
144,603.63x = 11,101,633,150.15 - Step 5: Solve for x
x = 11,101,633,150.15/144,603.63 - Step 6: Final answer
x = 76,772.85
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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.