Finding the Fourth Proportional to 117,129.06, 175,763.57 and 107,600.49
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Solution
The fourth proportional to 117,129.06, 175,763.57 and 107,600.49 is: 161,465.02
Step by Step Solution
- Step 1: Write the proportion equation
117,129.06 : 175,763.57 = 107,600.49 : x - Step 2: Convert to fraction form
117,129.06/175,763.57 = 107,600.49/x - Step 3: Cross multiply
117,129.06x = 175,763.57 × 107,600.49 - Step 4: Simplify right side
117,129.06x = 18,912,245,718.15 - Step 5: Solve for x
x = 18,912,245,718.15/117,129.06 - Step 6: Final answer
x = 161,465.02
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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.