Finding the Fourth Proportional to 119,380.01, 164,740.92 and 65,664.99
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Solution
The fourth proportional to 119,380.01, 164,740.92 and 65,664.99 is: 90,615.77
Step by Step Solution
- Step 1: Write the proportion equation
119,380.01 : 164,740.92 = 65,664.99 : x - Step 2: Convert to fraction form
119,380.01/164,740.92 = 65,664.99/x - Step 3: Cross multiply
119,380.01x = 164,740.92 × 65,664.99 - Step 4: Simplify right side
119,380.01x = 10,817,710,864.39 - Step 5: Solve for x
x = 10,817,710,864.39/119,380.01 - Step 6: Final answer
x = 90,615.77
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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.