Finding the Fourth Proportional to 243,060.64, 364,718.97 and 124,731.99
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Solution
The fourth proportional to 243,060.64, 364,718.97 and 124,731.99 is: 187,163.68
Step by Step Solution
- Step 1: Write the proportion equation
243,060.64 : 364,718.97 = 124,731.99 : x - Step 2: Convert to fraction form
243,060.64/364,718.97 = 124,731.99/x - Step 3: Cross multiply
243,060.64x = 364,718.97 × 124,731.99 - Step 4: Simplify right side
243,060.64x = 45,492,122,918.85 - Step 5: Solve for x
x = 45,492,122,918.85/243,060.64 - Step 6: Final answer
x = 187,163.68
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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.