Finding the Fourth Proportional to 111,437.76, 167,159.84 and 32,543.68
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Solution
The fourth proportional to 111,437.76, 167,159.84 and 32,543.68 is: 48,816.45
Step by Step Solution
- Step 1: Write the proportion equation
111,437.76 : 167,159.84 = 32,543.68 : x - Step 2: Convert to fraction form
111,437.76/167,159.84 = 32,543.68/x - Step 3: Cross multiply
111,437.76x = 167,159.84 × 32,543.68 - Step 4: Simplify right side
111,437.76x = 5,439,996,341.81 - Step 5: Solve for x
x = 5,439,996,341.81/111,437.76 - Step 6: Final answer
x = 48,816.45
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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.