Finding the Fourth Proportional to 170,555.79, 235,365.11 and 94,078.11
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Solution
The fourth proportional to 170,555.79, 235,365.11 and 94,078.11 is: 129,826.75
Step by Step Solution
- Step 1: Write the proportion equation
170,555.79 : 235,365.11 = 94,078.11 : x - Step 2: Convert to fraction form
170,555.79/235,365.11 = 94,078.11/x - Step 3: Cross multiply
170,555.79x = 235,365.11 × 94,078.11 - Step 4: Simplify right side
170,555.79x = 22,142,703,061.53 - Step 5: Solve for x
x = 22,142,703,061.53/170,555.79 - Step 6: Final answer
x = 129,826.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.