Finding the Fourth Proportional to 134,064.05, 185,009.90 and 73,636.09
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Solution
The fourth proportional to 134,064.05, 185,009.90 and 73,636.09 is: 101,618.63
Step by Step Solution
- Step 1: Write the proportion equation
134,064.05 : 185,009.90 = 73,636.09 : x - Step 2: Convert to fraction form
134,064.05/185,009.90 = 73,636.09/x - Step 3: Cross multiply
134,064.05x = 185,009.90 × 73,636.09 - Step 4: Simplify right side
134,064.05x = 13,623,405,647.29 - Step 5: Solve for x
x = 13,623,405,647.29/134,064.05 - Step 6: Final answer
x = 101,618.63
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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.