Finding the Fourth Proportional to 117,485.84, 176,247.12 and 38,582.08
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Solution
The fourth proportional to 117,485.84, 176,247.12 and 38,582.08 is: 57,879.15
Step by Step Solution
- Step 1: Write the proportion equation
117,485.84 : 176,247.12 = 38,582.08 : x - Step 2: Convert to fraction form
117,485.84/176,247.12 = 38,582.08/x - Step 3: Cross multiply
117,485.84x = 176,247.12 × 38,582.08 - Step 4: Simplify right side
117,485.84x = 6,799,980,483.61 - Step 5: Solve for x
x = 6,799,980,483.61/117,485.84 - Step 6: Final answer
x = 57,879.15
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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.