Finding the Fourth Proportional to 271,762.42, 375,042.93 and 157,037.26
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Solution
The fourth proportional to 271,762.42, 375,042.93 and 157,037.26 is: 216,717.65
Step by Step Solution
- Step 1: Write the proportion equation
271,762.42 : 375,042.93 = 157,037.26 : x - Step 2: Convert to fraction form
271,762.42/375,042.93 = 157,037.26/x - Step 3: Cross multiply
271,762.42x = 375,042.93 × 157,037.26 - Step 4: Simplify right side
271,762.42x = 58,895,714,109.57 - Step 5: Solve for x
x = 58,895,714,109.57/271,762.42 - Step 6: Final answer
x = 216,717.65
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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.