Finding the Fourth Proportional to 133,318.92, 184,026.44 and 76,752.84
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Solution
The fourth proportional to 133,318.92, 184,026.44 and 76,752.84 is: 105,945.59
Step by Step Solution
- Step 1: Write the proportion equation
133,318.92 : 184,026.44 = 76,752.84 : x - Step 2: Convert to fraction form
133,318.92/184,026.44 = 76,752.84/x - Step 3: Cross multiply
133,318.92x = 184,026.44 × 76,752.84 - Step 4: Simplify right side
133,318.92x = 14,124,551,905.09 - Step 5: Solve for x
x = 14,124,551,905.09/133,318.92 - Step 6: Final answer
x = 105,945.59
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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.