Finding the Fourth Proportional to 124,043.78, 171,182.18 and 92,943.96
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Solution
The fourth proportional to 124,043.78, 171,182.18 and 92,943.96 is: 128,263.99
Step by Step Solution
- Step 1: Write the proportion equation
124,043.78 : 171,182.18 = 92,943.96 : x - Step 2: Convert to fraction form
124,043.78/171,182.18 = 92,943.96/x - Step 3: Cross multiply
124,043.78x = 171,182.18 × 92,943.96 - Step 4: Simplify right side
124,043.78x = 15,910,349,690.63 - Step 5: Solve for x
x = 15,910,349,690.63/124,043.78 - Step 6: Final answer
x = 128,263.99
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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.