Finding the Fourth Proportional to 106,607.17, 147,120.19 and 58,863.54
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Solution
The fourth proportional to 106,607.17, 147,120.19 and 58,863.54 is: 81,232.95
Step by Step Solution
- Step 1: Write the proportion equation
106,607.17 : 147,120.19 = 58,863.54 : x - Step 2: Convert to fraction form
106,607.17/147,120.19 = 58,863.54/x - Step 3: Cross multiply
106,607.17x = 147,120.19 × 58,863.54 - Step 4: Simplify right side
106,607.17x = 8,660,015,188.87 - Step 5: Solve for x
x = 8,660,015,188.87/106,607.17 - Step 6: Final answer
x = 81,232.95
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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.