Finding the Fourth Proportional to 162,841.98, 243,902.08 and 125,124.42
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Solution
The fourth proportional to 162,841.98, 243,902.08 and 125,124.42 is: 187,409.33
Step by Step Solution
- Step 1: Write the proportion equation
162,841.98 : 243,902.08 = 125,124.42 : x - Step 2: Convert to fraction form
162,841.98/243,902.08 = 125,124.42/x - Step 3: Cross multiply
162,841.98x = 243,902.08 × 125,124.42 - Step 4: Simplify right side
162,841.98x = 30,518,106,664.01 - Step 5: Solve for x
x = 30,518,106,664.01/162,841.98 - Step 6: Final answer
x = 187,409.33
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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.