Finding the Fourth Proportional to 133,790.08, 184,630.56 and 74,174.08
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Solution
The fourth proportional to 133,790.08, 184,630.56 and 74,174.08 is: 102,360.37
Step by Step Solution
- Step 1: Write the proportion equation
133,790.08 : 184,630.56 = 74,174.08 : x - Step 2: Convert to fraction form
133,790.08/184,630.56 = 74,174.08/x - Step 3: Cross multiply
133,790.08x = 184,630.56 × 74,174.08 - Step 4: Simplify right side
133,790.08x = 13,694,801,927.88 - Step 5: Solve for x
x = 13,694,801,927.88/133,790.08 - Step 6: Final answer
x = 102,360.37
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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.