Finding the Fourth Proportional to 133,709.06, 184,129.62 and 125,161.40
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Solution
The fourth proportional to 133,709.06, 184,129.62 and 125,161.40 is: 172,358.71
Step by Step Solution
- Step 1: Write the proportion equation
133,709.06 : 184,129.62 = 125,161.40 : x - Step 2: Convert to fraction form
133,709.06/184,129.62 = 125,161.40/x - Step 3: Cross multiply
133,709.06x = 184,129.62 × 125,161.40 - Step 4: Simplify right side
133,709.06x = 23,045,921,020.67 - Step 5: Solve for x
x = 23,045,921,020.67/133,709.06 - Step 6: Final answer
x = 172,358.71
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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.