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Finding the Fourth Proportional to 168,492.62, 252,734.04 and 68,628.12

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Solution

The fourth proportional to 168,492.62, 252,734.04 and 68,628.12 is: 102,940.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,492.62 : 252,734.04 = 68,628.12 : x
  2. Step 2: Convert to fraction form
    168,492.62/252,734.04 = 68,628.12/x
  3. Step 3: Cross multiply
    168,492.62x = 252,734.04 × 68,628.12
  4. Step 4: Simplify right side
    168,492.62x = 17,344,662,025.20
  5. Step 5: Solve for x
    x = 17,344,662,025.20/168,492.62
  6. Step 6: Final answer
    x = 102,940.19

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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.