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Finding the Fourth Proportional to 67,876.20, 101,814.30 and 44,256.60

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Solution

The fourth proportional to 67,876.20, 101,814.30 and 44,256.60 is: 66,384.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,876.20 : 101,814.30 = 44,256.60 : x
  2. Step 2: Convert to fraction form
    67,876.20/101,814.30 = 44,256.60/x
  3. Step 3: Cross multiply
    67,876.20x = 101,814.30 × 44,256.60
  4. Step 4: Simplify right side
    67,876.20x = 4,505,954,749.38
  5. Step 5: Solve for x
    x = 4,505,954,749.38/67,876.20
  6. Step 6: Final answer
    x = 66,384.90

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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.