Finding the Fourth Proportional to 121,125.44, 167,150.86 and 67,409.98
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Solution
The fourth proportional to 121,125.44, 167,150.86 and 67,409.98 is: 93,024.52
Step by Step Solution
- Step 1: Write the proportion equation
121,125.44 : 167,150.86 = 67,409.98 : x - Step 2: Convert to fraction form
121,125.44/167,150.86 = 67,409.98/x - Step 3: Cross multiply
121,125.44x = 167,150.86 × 67,409.98 - Step 4: Simplify right side
121,125.44x = 11,267,635,543.18 - Step 5: Solve for x
x = 11,267,635,543.18/121,125.44 - Step 6: Final answer
x = 93,024.52
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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.