Finding the Fourth Proportional to 117,479.84, 176,249.79 and 38,594.75
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Solution
The fourth proportional to 117,479.84, 176,249.79 and 38,594.75 is: 57,901.99
Step by Step Solution
- Step 1: Write the proportion equation
117,479.84 : 176,249.79 = 38,594.75 : x - Step 2: Convert to fraction form
117,479.84/176,249.79 = 38,594.75/x - Step 3: Cross multiply
117,479.84x = 176,249.79 × 38,594.75 - Step 4: Simplify right side
117,479.84x = 6,802,315,701.35 - Step 5: Solve for x
x = 6,802,315,701.35/117,479.84 - Step 6: Final answer
x = 57,901.99
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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.