Finding the Fourth Proportional to 117,582.36, 176,252.72 and 46,476.12
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Solution
The fourth proportional to 117,582.36, 176,252.72 and 46,476.12 is: 69,666.42
Step by Step Solution
- Step 1: Write the proportion equation
117,582.36 : 176,252.72 = 46,476.12 : x - Step 2: Convert to fraction form
117,582.36/176,252.72 = 46,476.12/x - Step 3: Cross multiply
117,582.36x = 176,252.72 × 46,476.12 - Step 4: Simplify right side
117,582.36x = 8,191,542,565.05 - Step 5: Solve for x
x = 8,191,542,565.05/117,582.36 - Step 6: Final answer
x = 69,666.42
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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.