Finding the Fourth Proportional to 125,963.32, 173,821.44 and 69,374.68
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Solution
The fourth proportional to 125,963.32, 173,821.44 and 69,374.68 is: 95,732.68
Step by Step Solution
- Step 1: Write the proportion equation
125,963.32 : 173,821.44 = 69,374.68 : x - Step 2: Convert to fraction form
125,963.32/173,821.44 = 69,374.68/x - Step 3: Cross multiply
125,963.32x = 173,821.44 × 69,374.68 - Step 4: Simplify right side
125,963.32x = 12,058,806,777.14 - Step 5: Solve for x
x = 12,058,806,777.14/125,963.32 - Step 6: Final answer
x = 95,732.68
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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.