Finding the Fourth Proportional to 125,448.71, 188,133.41 and 41,194.98
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Solution
The fourth proportional to 125,448.71, 188,133.41 and 41,194.98 is: 61,779.45
Step by Step Solution
- Step 1: Write the proportion equation
125,448.71 : 188,133.41 = 41,194.98 : x - Step 2: Convert to fraction form
125,448.71/188,133.41 = 41,194.98/x - Step 3: Cross multiply
125,448.71x = 188,133.41 × 41,194.98 - Step 4: Simplify right side
125,448.71x = 7,750,151,856.31 - Step 5: Solve for x
x = 7,750,151,856.31/125,448.71 - Step 6: Final answer
x = 61,779.45
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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.