Finding the Fourth Proportional to 133,335.05, 184,048.70 and 76,768.97
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Solution
The fourth proportional to 133,335.05, 184,048.70 and 76,768.97 is: 105,967.85
Step by Step Solution
- Step 1: Write the proportion equation
133,335.05 : 184,048.70 = 76,768.97 : x - Step 2: Convert to fraction form
133,335.05/184,048.70 = 76,768.97/x - Step 3: Cross multiply
133,335.05x = 184,048.70 × 76,768.97 - Step 4: Simplify right side
133,335.05x = 14,129,227,824.75 - Step 5: Solve for x
x = 14,129,227,824.75/133,335.05 - Step 6: Final answer
x = 105,967.85
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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.