Finding the Fourth Proportional to 168,492.84, 232,520.16 and 93,041.28
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Solution
The fourth proportional to 168,492.84, 232,520.16 and 93,041.28 is: 128,396.99
Step by Step Solution
- Step 1: Write the proportion equation
168,492.84 : 232,520.16 = 93,041.28 : x - Step 2: Convert to fraction form
168,492.84/232,520.16 = 93,041.28/x - Step 3: Cross multiply
168,492.84x = 232,520.16 × 93,041.28 - Step 4: Simplify right side
168,492.84x = 21,633,973,312.20 - Step 5: Solve for x
x = 21,633,973,312.20/168,492.84 - Step 6: Final answer
x = 128,396.99
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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.