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Finding the Fourth Proportional to 68,149.10, 102,179.88 and 44,748.20

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Solution

The fourth proportional to 68,149.10, 102,179.88 and 44,748.20 is: 67,093.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,149.10 : 102,179.88 = 44,748.20 : x
  2. Step 2: Convert to fraction form
    68,149.10/102,179.88 = 44,748.20/x
  3. Step 3: Cross multiply
    68,149.10x = 102,179.88 × 44,748.20
  4. Step 4: Simplify right side
    68,149.10x = 4,572,365,706.22
  5. Step 5: Solve for x
    x = 4,572,365,706.22/68,149.10
  6. Step 6: Final answer
    x = 67,093.56

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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.