Finding the Fourth Proportional to 162,907.25, 224,808.35 and 94,919.99
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Solution
The fourth proportional to 162,907.25, 224,808.35 and 94,919.99 is: 130,987.45
Step by Step Solution
- Step 1: Write the proportion equation
162,907.25 : 224,808.35 = 94,919.99 : x - Step 2: Convert to fraction form
162,907.25/224,808.35 = 94,919.99/x - Step 3: Cross multiply
162,907.25x = 224,808.35 × 94,919.99 - Step 4: Simplify right side
162,907.25x = 21,338,804,735.27 - Step 5: Solve for x
x = 21,338,804,735.27/162,907.25 - Step 6: Final answer
x = 130,987.45
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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.