Finding the Fourth Proportional to 170,511.42, 235,231.11 and 162,605.82
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Solution
The fourth proportional to 170,511.42, 235,231.11 and 162,605.82 is: 224,324.84
Step by Step Solution
- Step 1: Write the proportion equation
170,511.42 : 235,231.11 = 162,605.82 : x - Step 2: Convert to fraction form
170,511.42/235,231.11 = 162,605.82/x - Step 3: Cross multiply
170,511.42x = 235,231.11 × 162,605.82 - Step 4: Simplify right side
170,511.42x = 38,249,947,531.06 - Step 5: Solve for x
x = 38,249,947,531.06/170,511.42 - Step 6: Final answer
x = 224,324.84
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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.