Finding the Fourth Proportional to 135,058.20, 202,295.70 and 117,562.20
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Solution
The fourth proportional to 135,058.20, 202,295.70 and 117,562.20 is: 176,089.48
Step by Step Solution
- Step 1: Write the proportion equation
135,058.20 : 202,295.70 = 117,562.20 : x - Step 2: Convert to fraction form
135,058.20/202,295.70 = 117,562.20/x - Step 3: Cross multiply
135,058.20x = 202,295.70 × 117,562.20 - Step 4: Simplify right side
135,058.20x = 23,782,327,542.54 - Step 5: Solve for x
x = 23,782,327,542.54/135,058.20 - Step 6: Final answer
x = 176,089.48
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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.