Finding the Fourth Proportional to 117,804.71, 175,374.66 and 117,104.09
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Solution
The fourth proportional to 117,804.71, 175,374.66 and 117,104.09 is: 174,331.65
Step by Step Solution
- Step 1: Write the proportion equation
117,804.71 : 175,374.66 = 117,104.09 : x - Step 2: Convert to fraction form
117,804.71/175,374.66 = 117,104.09/x - Step 3: Cross multiply
117,804.71x = 175,374.66 × 117,104.09 - Step 4: Simplify right side
117,804.71x = 20,537,089,091.49 - Step 5: Solve for x
x = 20,537,089,091.49/117,804.71 - Step 6: Final answer
x = 174,331.65
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.