Finding the Fourth Proportional to 133,058.70, 199,619.96 and 44,312.99
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Solution
The fourth proportional to 133,058.70, 199,619.96 and 44,312.99 is: 66,480.10
Step by Step Solution
- Step 1: Write the proportion equation
133,058.70 : 199,619.96 = 44,312.99 : x - Step 2: Convert to fraction form
133,058.70/199,619.96 = 44,312.99/x - Step 3: Cross multiply
133,058.70x = 199,619.96 × 44,312.99 - Step 4: Simplify right side
133,058.70x = 8,845,756,071.62 - Step 5: Solve for x
x = 8,845,756,071.62/133,058.70 - Step 6: Final answer
x = 66,480.10
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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.