Finding the Fourth Proportional to 117,994.72, 176,988.85 and 29,246.26
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Solution
The fourth proportional to 117,994.72, 176,988.85 and 29,246.26 is: 43,868.59
Step by Step Solution
- Step 1: Write the proportion equation
117,994.72 : 176,988.85 = 29,246.26 : x - Step 2: Convert to fraction form
117,994.72/176,988.85 = 29,246.26/x - Step 3: Cross multiply
117,994.72x = 176,988.85 × 29,246.26 - Step 4: Simplify right side
117,994.72x = 5,176,261,924.20 - Step 5: Solve for x
x = 5,176,261,924.20/117,994.72 - Step 6: Final answer
x = 43,868.59
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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.