Finding the Fourth Proportional to 292,632.36, 438,963.84 and 92,968.44
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Solution
The fourth proportional to 292,632.36, 438,963.84 and 92,968.44 is: 139,457.52
Step by Step Solution
- Step 1: Write the proportion equation
292,632.36 : 438,963.84 = 92,968.44 : x - Step 2: Convert to fraction form
292,632.36/438,963.84 = 92,968.44/x - Step 3: Cross multiply
292,632.36x = 438,963.84 × 92,968.44 - Step 4: Simplify right side
292,632.36x = 40,809,783,421.21 - Step 5: Solve for x
x = 40,809,783,421.21/292,632.36 - Step 6: Final answer
x = 139,457.52
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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.