Finding the Fourth Proportional to 362,209.05, 543,313.61 and 125,551.73
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Solution
The fourth proportional to 362,209.05, 543,313.61 and 125,551.73 is: 188,327.61
Step by Step Solution
- Step 1: Write the proportion equation
362,209.05 : 543,313.61 = 125,551.73 : x - Step 2: Convert to fraction form
362,209.05/543,313.61 = 125,551.73/x - Step 3: Cross multiply
362,209.05x = 543,313.61 × 125,551.73 - Step 4: Simplify right side
362,209.05x = 68,213,963,668.05 - Step 5: Solve for x
x = 68,213,963,668.05/362,209.05 - Step 6: Final answer
x = 188,327.61
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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.