Finding the Fourth Proportional to 124,572.42, 186,617.76 and 104,341.68
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Solution
The fourth proportional to 124,572.42, 186,617.76 and 104,341.68 is: 156,310.77
Step by Step Solution
- Step 1: Write the proportion equation
124,572.42 : 186,617.76 = 104,341.68 : x - Step 2: Convert to fraction form
124,572.42/186,617.76 = 104,341.68/x - Step 3: Cross multiply
124,572.42x = 186,617.76 × 104,341.68 - Step 4: Simplify right side
124,572.42x = 19,472,010,596.24 - Step 5: Solve for x
x = 19,472,010,596.24/124,572.42 - Step 6: Final answer
x = 156,310.77
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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.