Finding the Fourth Proportional to 170,472.73, 235,241.49 and 93,987.64
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Solution
The fourth proportional to 170,472.73, 235,241.49 and 93,987.64 is: 129,696.95
Step by Step Solution
- Step 1: Write the proportion equation
170,472.73 : 235,241.49 = 93,987.64 : x - Step 2: Convert to fraction form
170,472.73/235,241.49 = 93,987.64/x - Step 3: Cross multiply
170,472.73x = 235,241.49 × 93,987.64 - Step 4: Simplify right side
170,472.73x = 22,109,792,475.18 - Step 5: Solve for x
x = 22,109,792,475.18/170,472.73 - Step 6: Final answer
x = 129,696.95
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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.