Finding the Fourth Proportional to 177,432.93, 244,235.94 and 154,731.87
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Solution
The fourth proportional to 177,432.93, 244,235.94 and 154,731.87 is: 212,987.99
Step by Step Solution
- Step 1: Write the proportion equation
177,432.93 : 244,235.94 = 154,731.87 : x - Step 2: Convert to fraction form
177,432.93/244,235.94 = 154,731.87/x - Step 3: Cross multiply
177,432.93x = 244,235.94 × 154,731.87 - Step 4: Simplify right side
177,432.93x = 37,791,083,717.41 - Step 5: Solve for x
x = 37,791,083,717.41/177,432.93 - Step 6: Final answer
x = 212,987.99
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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.