Finding the Fourth Proportional to 106,133.44, 159,068.94 and 53,557.96
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Solution
The fourth proportional to 106,133.44, 159,068.94 and 53,557.96 is: 80,270.72
Step by Step Solution
- Step 1: Write the proportion equation
106,133.44 : 159,068.94 = 53,557.96 : x - Step 2: Convert to fraction form
106,133.44/159,068.94 = 53,557.96/x - Step 3: Cross multiply
106,133.44x = 159,068.94 × 53,557.96 - Step 4: Simplify right side
106,133.44x = 8,519,407,925.76 - Step 5: Solve for x
x = 8,519,407,925.76/106,133.44 - Step 6: Final answer
x = 80,270.72
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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.