Finding the Fourth Proportional to 133,658.13, 184,448.20 and 73,231.06
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Solution
The fourth proportional to 133,658.13, 184,448.20 and 73,231.06 is: 101,058.85
Step by Step Solution
- Step 1: Write the proportion equation
133,658.13 : 184,448.20 = 73,231.06 : x - Step 2: Convert to fraction form
133,658.13/184,448.20 = 73,231.06/x - Step 3: Cross multiply
133,658.13x = 184,448.20 × 73,231.06 - Step 4: Simplify right side
133,658.13x = 13,507,337,201.09 - Step 5: Solve for x
x = 13,507,337,201.09/133,658.13 - Step 6: Final answer
x = 101,058.85
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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.