Finding the Fourth Proportional to 97,251.20, 135,875.20 and 97,251.20
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Solution
The fourth proportional to 97,251.20, 135,875.20 and 97,251.20 is: 135,875.20
Step by Step Solution
- Step 1: Write the proportion equation
97,251.20 : 135,875.20 = 97,251.20 : x - Step 2: Convert to fraction form
97,251.20/135,875.20 = 97,251.20/x - Step 3: Cross multiply
97,251.20x = 135,875.20 × 97,251.20 - Step 4: Simplify right side
97,251.20x = 13,214,026,250.24 - Step 5: Solve for x
x = 13,214,026,250.24/97,251.20 - Step 6: Final answer
x = 135,875.20
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.