Finding the Fourth Proportional to 161,683.12, 223,122.77 and 93,739.65
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Solution
The fourth proportional to 161,683.12, 223,122.77 and 93,739.65 is: 129,360.75
Step by Step Solution
- Step 1: Write the proportion equation
161,683.12 : 223,122.77 = 93,739.65 : x - Step 2: Convert to fraction form
161,683.12/223,122.77 = 93,739.65/x - Step 3: Cross multiply
161,683.12x = 223,122.77 × 93,739.65 - Step 4: Simplify right side
161,683.12x = 20,915,450,366.83 - Step 5: Solve for x
x = 20,915,450,366.83/161,683.12 - Step 6: Final answer
x = 129,360.75
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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.