Finding the Fourth Proportional to 114,201.11, 171,188.66 and 54,123.99
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Solution
The fourth proportional to 114,201.11, 171,188.66 and 54,123.99 is: 81,132.43
Step by Step Solution
- Step 1: Write the proportion equation
114,201.11 : 171,188.66 = 54,123.99 : x - Step 2: Convert to fraction form
114,201.11/171,188.66 = 54,123.99/x - Step 3: Cross multiply
114,201.11x = 171,188.66 × 54,123.99 - Step 4: Simplify right side
114,201.11x = 9,265,413,051.33 - Step 5: Solve for x
x = 9,265,413,051.33/114,201.11 - Step 6: Final answer
x = 81,132.43
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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.