Finding the Fourth Proportional to 312,043.24, 468,084.30 and 125,030.44
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Solution
The fourth proportional to 312,043.24, 468,084.30 and 125,030.44 is: 187,553.45
Step by Step Solution
- Step 1: Write the proportion equation
312,043.24 : 468,084.30 = 125,030.44 : x - Step 2: Convert to fraction form
312,043.24/468,084.30 = 125,030.44/x - Step 3: Cross multiply
312,043.24x = 468,084.30 × 125,030.44 - Step 4: Simplify right side
312,043.24x = 58,524,785,986.09 - Step 5: Solve for x
x = 58,524,785,986.09/312,043.24 - Step 6: Final answer
x = 187,553.45
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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.