Finding the Fourth Proportional to 324,857.24, 487,368.87 and 125,123.99
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Solution
The fourth proportional to 324,857.24, 487,368.87 and 125,123.99 is: 187,717.96
Step by Step Solution
- Step 1: Write the proportion equation
324,857.24 : 487,368.87 = 125,123.99 : x - Step 2: Convert to fraction form
324,857.24/487,368.87 = 125,123.99/x - Step 3: Cross multiply
324,857.24x = 487,368.87 × 125,123.99 - Step 4: Simplify right side
324,857.24x = 60,981,537,616.19 - Step 5: Solve for x
x = 60,981,537,616.19/324,857.24 - Step 6: Final answer
x = 187,717.96
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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.