Finding the Fourth Proportional to 125,649.06, 188,482.74 and 46,763.26
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Solution
The fourth proportional to 125,649.06, 188,482.74 and 46,763.26 is: 70,148.30
Step by Step Solution
- Step 1: Write the proportion equation
125,649.06 : 188,482.74 = 46,763.26 : x - Step 2: Convert to fraction form
125,649.06/188,482.74 = 46,763.26/x - Step 3: Cross multiply
125,649.06x = 188,482.74 × 46,763.26 - Step 4: Simplify right side
125,649.06x = 8,814,067,376.13 - Step 5: Solve for x
x = 8,814,067,376.13/125,649.06 - Step 6: Final answer
x = 70,148.30
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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.