Finding the Fourth Proportional to 133,652.75, 184,440.80 and 74,036.75
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Solution
The fourth proportional to 133,652.75, 184,440.80 and 74,036.75 is: 102,170.72
Step by Step Solution
- Step 1: Write the proportion equation
133,652.75 : 184,440.80 = 74,036.75 : x - Step 2: Convert to fraction form
133,652.75/184,440.80 = 74,036.75/x - Step 3: Cross multiply
133,652.75x = 184,440.80 × 74,036.75 - Step 4: Simplify right side
133,652.75x = 13,655,397,029.22 - Step 5: Solve for x
x = 13,655,397,029.22/133,652.75 - Step 6: Final answer
x = 102,170.72
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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.