Finding the Fourth Proportional to 163,660.70, 225,848.21 and 94,753.07
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Solution
The fourth proportional to 163,660.70, 225,848.21 and 94,753.07 is: 130,757.18
Step by Step Solution
- Step 1: Write the proportion equation
163,660.70 : 225,848.21 = 94,753.07 : x - Step 2: Convert to fraction form
163,660.70/225,848.21 = 94,753.07/x - Step 3: Cross multiply
163,660.70x = 225,848.21 × 94,753.07 - Step 4: Simplify right side
163,660.70x = 21,399,810,359.15 - Step 5: Solve for x
x = 21,399,810,359.15/163,660.70 - Step 6: Final answer
x = 130,757.18
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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.