Finding the Fourth Proportional to 272,579.04, 376,159.10 and 151,717.74
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Solution
The fourth proportional to 272,579.04, 376,159.10 and 151,717.74 is: 209,370.49
Step by Step Solution
- Step 1: Write the proportion equation
272,579.04 : 376,159.10 = 151,717.74 : x - Step 2: Convert to fraction form
272,579.04/376,159.10 = 151,717.74/x - Step 3: Cross multiply
272,579.04x = 376,159.10 × 151,717.74 - Step 4: Simplify right side
272,579.04x = 57,070,005,893.05 - Step 5: Solve for x
x = 57,070,005,893.05/272,579.04 - Step 6: Final answer
x = 209,370.49
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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.