Finding the Fourth Proportional to 174,472.38, 261,367.76 and 83,157.84
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Solution
The fourth proportional to 174,472.38, 261,367.76 and 83,157.84 is: 124,574.32
Step by Step Solution
- Step 1: Write the proportion equation
174,472.38 : 261,367.76 = 83,157.84 : x - Step 2: Convert to fraction form
174,472.38/261,367.76 = 83,157.84/x - Step 3: Cross multiply
174,472.38x = 261,367.76 × 83,157.84 - Step 4: Simplify right side
174,472.38x = 21,734,778,575.13 - Step 5: Solve for x
x = 21,734,778,575.13/174,472.38 - Step 6: Final answer
x = 124,574.32
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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.