Finding the Fourth Proportional to 168,228.04, 232,138.56 and 92,771.68
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Solution
The fourth proportional to 168,228.04, 232,138.56 and 92,771.68 is: 128,016.02
Step by Step Solution
- Step 1: Write the proportion equation
168,228.04 : 232,138.56 = 92,771.68 : x - Step 2: Convert to fraction form
168,228.04/232,138.56 = 92,771.68/x - Step 3: Cross multiply
168,228.04x = 232,138.56 × 92,771.68 - Step 4: Simplify right side
168,228.04x = 21,535,884,203.98 - Step 5: Solve for x
x = 21,535,884,203.98/168,228.04 - Step 6: Final answer
x = 128,016.02
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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.