Finding the Fourth Proportional to 117,107.20, 175,660.80 and 32,867.20
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Solution
The fourth proportional to 117,107.20, 175,660.80 and 32,867.20 is: 49,300.80
Step by Step Solution
- Step 1: Write the proportion equation
117,107.20 : 175,660.80 = 32,867.20 : x - Step 2: Convert to fraction form
117,107.20/175,660.80 = 32,867.20/x - Step 3: Cross multiply
117,107.20x = 175,660.80 × 32,867.20 - Step 4: Simplify right side
117,107.20x = 5,773,478,645.76 - Step 5: Solve for x
x = 5,773,478,645.76/117,107.20 - Step 6: Final answer
x = 49,300.80
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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.