Finding the Fourth Proportional to 170,175.10, 234,837.75 and 106,547.98
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Solution
The fourth proportional to 170,175.10, 234,837.75 and 106,547.98 is: 147,033.78
Step by Step Solution
- Step 1: Write the proportion equation
170,175.10 : 234,837.75 = 106,547.98 : x - Step 2: Convert to fraction form
170,175.10/234,837.75 = 106,547.98/x - Step 3: Cross multiply
170,175.10x = 234,837.75 × 106,547.98 - Step 4: Simplify right side
170,175.10x = 25,021,487,890.25 - Step 5: Solve for x
x = 25,021,487,890.25/170,175.10 - Step 6: Final answer
x = 147,033.78
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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.