Finding the Fourth Proportional to 117,523.08, 176,288.70 and 38,643.48
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Solution
The fourth proportional to 117,523.08, 176,288.70 and 38,643.48 is: 57,966.56
Step by Step Solution
- Step 1: Write the proportion equation
117,523.08 : 176,288.70 = 38,643.48 : x - Step 2: Convert to fraction form
117,523.08/176,288.70 = 38,643.48/x - Step 3: Cross multiply
117,523.08x = 176,288.70 × 38,643.48 - Step 4: Simplify right side
117,523.08x = 6,812,408,852.68 - Step 5: Solve for x
x = 6,812,408,852.68/117,523.08 - Step 6: Final answer
x = 57,966.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.