Finding the Fourth Proportional to 133,524.16, 184,283.58 and 76,163.20
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Solution
The fourth proportional to 133,524.16, 184,283.58 and 76,163.20 is: 105,116.76
Step by Step Solution
- Step 1: Write the proportion equation
133,524.16 : 184,283.58 = 76,163.20 : x - Step 2: Convert to fraction form
133,524.16/184,283.58 = 76,163.20/x - Step 3: Cross multiply
133,524.16x = 184,283.58 × 76,163.20 - Step 4: Simplify right side
133,524.16x = 14,035,627,160.26 - Step 5: Solve for x
x = 14,035,627,160.26/133,524.16 - Step 6: Final answer
x = 105,116.76
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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.