Finding the Fourth Proportional to 133,752.19, 184,596.87 and 82,781.26
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Solution
The fourth proportional to 133,752.19, 184,596.87 and 82,781.26 is: 114,249.80
Step by Step Solution
- Step 1: Write the proportion equation
133,752.19 : 184,596.87 = 82,781.26 : x - Step 2: Convert to fraction form
133,752.19/184,596.87 = 82,781.26/x - Step 3: Cross multiply
133,752.19x = 184,596.87 × 82,781.26 - Step 4: Simplify right side
133,752.19x = 15,281,161,490.66 - Step 5: Solve for x
x = 15,281,161,490.66/133,752.19 - Step 6: Final answer
x = 114,249.80
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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.