Finding the Fourth Proportional to 106,547.44, 147,040.26 and 61,240.12
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Solution
The fourth proportional to 106,547.44, 147,040.26 and 61,240.12 is: 84,514.12
Step by Step Solution
- Step 1: Write the proportion equation
106,547.44 : 147,040.26 = 61,240.12 : x - Step 2: Convert to fraction form
106,547.44/147,040.26 = 61,240.12/x - Step 3: Cross multiply
106,547.44x = 147,040.26 × 61,240.12 - Step 4: Simplify right side
106,547.44x = 9,004,763,167.23 - Step 5: Solve for x
x = 9,004,763,167.23/106,547.44 - Step 6: Final answer
x = 84,514.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.