Finding the Fourth Proportional to 133,539.15, 184,284.08 and 73,113.70
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Solution
The fourth proportional to 133,539.15, 184,284.08 and 73,113.70 is: 100,896.94
Step by Step Solution
- Step 1: Write the proportion equation
133,539.15 : 184,284.08 = 73,113.70 : x - Step 2: Convert to fraction form
133,539.15/184,284.08 = 73,113.70/x - Step 3: Cross multiply
133,539.15x = 184,284.08 × 73,113.70 - Step 4: Simplify right side
133,539.15x = 13,473,690,939.90 - Step 5: Solve for x
x = 13,473,690,939.90/133,539.15 - Step 6: Final answer
x = 100,896.94
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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.