Finding the Fourth Proportional to 125,574.14, 173,291.49 and 68,212.94
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Solution
The fourth proportional to 125,574.14, 173,291.49 and 68,212.94 is: 94,133.41
Step by Step Solution
- Step 1: Write the proportion equation
125,574.14 : 173,291.49 = 68,212.94 : x - Step 2: Convert to fraction form
125,574.14/173,291.49 = 68,212.94/x - Step 3: Cross multiply
125,574.14x = 173,291.49 × 68,212.94 - Step 4: Simplify right side
125,574.14x = 11,820,722,009.88 - Step 5: Solve for x
x = 11,820,722,009.88/125,574.14 - Step 6: Final answer
x = 94,133.41
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.