Finding the Fourth Proportional to 163,606.24, 245,540.60 and 84,743.02
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Solution
The fourth proportional to 163,606.24, 245,540.60 and 84,743.02 is: 127,182.51
Step by Step Solution
- Step 1: Write the proportion equation
163,606.24 : 245,540.60 = 84,743.02 : x - Step 2: Convert to fraction form
163,606.24/245,540.60 = 84,743.02/x - Step 3: Cross multiply
163,606.24x = 245,540.60 × 84,743.02 - Step 4: Simplify right side
163,606.24x = 20,807,851,976.61 - Step 5: Solve for x
x = 20,807,851,976.61/163,606.24 - Step 6: Final answer
x = 127,182.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.