Finding the Fourth Proportional to 163,061.67, 225,027.44 and 98,521.95
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Solution
The fourth proportional to 163,061.67, 225,027.44 and 98,521.95 is: 135,961.70
Step by Step Solution
- Step 1: Write the proportion equation
163,061.67 : 225,027.44 = 98,521.95 : x - Step 2: Convert to fraction form
163,061.67/225,027.44 = 98,521.95/x - Step 3: Cross multiply
163,061.67x = 225,027.44 × 98,521.95 - Step 4: Simplify right side
163,061.67x = 22,170,142,192.31 - Step 5: Solve for x
x = 22,170,142,192.31/163,061.67 - Step 6: Final answer
x = 135,961.70
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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.