Finding the Fourth Proportional to 292,060.74, 402,903.24 and 171,126.92
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Solution
The fourth proportional to 292,060.74, 402,903.24 and 171,126.92 is: 236,072.78
Step by Step Solution
- Step 1: Write the proportion equation
292,060.74 : 402,903.24 = 171,126.92 : x - Step 2: Convert to fraction form
292,060.74/402,903.24 = 171,126.92/x - Step 3: Cross multiply
292,060.74x = 402,903.24 × 171,126.92 - Step 4: Simplify right side
292,060.74x = 68,947,590,519.22 - Step 5: Solve for x
x = 68,947,590,519.22/292,060.74 - Step 6: Final answer
x = 236,072.78
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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.