Finding the Fourth Proportional to 266,796.84, 368,272.26 and 153,664.68
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Solution
The fourth proportional to 266,796.84, 368,272.26 and 153,664.68 is: 212,110.60
Step by Step Solution
- Step 1: Write the proportion equation
266,796.84 : 368,272.26 = 153,664.68 : x - Step 2: Convert to fraction form
266,796.84/368,272.26 = 153,664.68/x - Step 3: Cross multiply
266,796.84x = 368,272.26 × 153,664.68 - Step 4: Simplify right side
266,796.84x = 56,590,438,985.78 - Step 5: Solve for x
x = 56,590,438,985.78/266,796.84 - Step 6: Final answer
x = 212,110.60
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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.