Finding the Fourth Proportional to 352,039.93, 528,101.12 and 112,069.75
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Solution
The fourth proportional to 352,039.93, 528,101.12 and 112,069.75 is: 168,117.75
Step by Step Solution
- Step 1: Write the proportion equation
352,039.93 : 528,101.12 = 112,069.75 : x - Step 2: Convert to fraction form
352,039.93/528,101.12 = 112,069.75/x - Step 3: Cross multiply
352,039.93x = 528,101.12 × 112,069.75 - Step 4: Simplify right side
352,039.93x = 59,184,160,493.12 - Step 5: Solve for x
x = 59,184,160,493.12/352,039.93 - Step 6: Final answer
x = 168,117.75
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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.