Finding the Fourth Proportional to 118,466.07, 163,377.36 and 98,291.01
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Solution
The fourth proportional to 118,466.07, 163,377.36 and 98,291.01 is: 135,553.80
Step by Step Solution
- Step 1: Write the proportion equation
118,466.07 : 163,377.36 = 98,291.01 : x - Step 2: Convert to fraction form
118,466.07/163,377.36 = 98,291.01/x - Step 3: Cross multiply
118,466.07x = 163,377.36 × 98,291.01 - Step 4: Simplify right side
118,466.07x = 16,058,525,725.53 - Step 5: Solve for x
x = 16,058,525,725.53/118,466.07 - Step 6: Final answer
x = 135,553.80
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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.