Finding the Fourth Proportional to 292,642.94, 438,954.46 and 124,054.81
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Solution
The fourth proportional to 292,642.94, 438,954.46 and 124,054.81 is: 186,077.99
Step by Step Solution
- Step 1: Write the proportion equation
292,642.94 : 438,954.46 = 124,054.81 : x - Step 2: Convert to fraction form
292,642.94/438,954.46 = 124,054.81/x - Step 3: Cross multiply
292,642.94x = 438,954.46 × 124,054.81 - Step 4: Simplify right side
292,642.94x = 54,454,410,726.43 - Step 5: Solve for x
x = 54,454,410,726.43/292,642.94 - Step 6: Final answer
x = 186,077.99
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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.