Finding the Fourth Proportional to 75,437.19, 113,176.98 and 22,130.44
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Solution
The fourth proportional to 75,437.19, 113,176.98 and 22,130.44 is: 33,201.87
Step by Step Solution
- Step 1: Write the proportion equation
75,437.19 : 113,176.98 = 22,130.44 : x - Step 2: Convert to fraction form
75,437.19/113,176.98 = 22,130.44/x - Step 3: Cross multiply
75,437.19x = 113,176.98 × 22,130.44 - Step 4: Simplify right side
75,437.19x = 2,504,656,082.33 - Step 5: Solve for x
x = 2,504,656,082.33/75,437.19 - Step 6: Final answer
x = 33,201.87
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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.