Finding the Fourth Proportional to 163,751.40, 245,627.10 and 93,637.80
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Solution
The fourth proportional to 163,751.40, 245,627.10 and 93,637.80 is: 140,456.70
Step by Step Solution
- Step 1: Write the proportion equation
163,751.40 : 245,627.10 = 93,637.80 : x - Step 2: Convert to fraction form
163,751.40/245,627.10 = 93,637.80/x - Step 3: Cross multiply
163,751.40x = 245,627.10 × 93,637.80 - Step 4: Simplify right side
163,751.40x = 22,999,981,264.38 - Step 5: Solve for x
x = 22,999,981,264.38/163,751.40 - Step 6: Final answer
x = 140,456.70
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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.