Finding the Fourth Proportional to 292,643.94, 438,955.96 and 124,055.81
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Solution
The fourth proportional to 292,643.94, 438,955.96 and 124,055.81 is: 186,079.50
Step by Step Solution
- Step 1: Write the proportion equation
292,643.94 : 438,955.96 = 124,055.81 : x - Step 2: Convert to fraction form
292,643.94/438,955.96 = 124,055.81/x - Step 3: Cross multiply
292,643.94x = 438,955.96 × 124,055.81 - Step 4: Simplify right side
292,643.94x = 54,455,037,172.13 - Step 5: Solve for x
x = 54,455,037,172.13/292,643.94 - Step 6: Final answer
x = 186,079.50
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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.