Finding the Fourth Proportional to 163,451, 245,176.50 and 52,643
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Solution
The fourth proportional to 163,451, 245,176.50 and 52,643 is: 78,964.50
Step by Step Solution
- Step 1: Write the proportion equation
163,451 : 245,176.50 = 52,643 : x - Step 2: Convert to fraction form
163,451/245,176.50 = 52,643/x - Step 3: Cross multiply
163,451x = 245,176.50 × 52,643 - Step 4: Simplify right side
163,451x = 12,906,826,489.50 - Step 5: Solve for x
x = 12,906,826,489.50/163,451 - Step 6: Final answer
x = 78,964.50
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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.