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Finding the Fourth Proportional to 93,400.20, 140,100.30 and 23,279.52

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Solution

The fourth proportional to 93,400.20, 140,100.30 and 23,279.52 is: 34,919.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,400.20 : 140,100.30 = 23,279.52 : x
  2. Step 2: Convert to fraction form
    93,400.20/140,100.30 = 23,279.52/x
  3. Step 3: Cross multiply
    93,400.20x = 140,100.30 × 23,279.52
  4. Step 4: Simplify right side
    93,400.20x = 3,261,467,735.86
  5. Step 5: Solve for x
    x = 3,261,467,735.86/93,400.20
  6. Step 6: Final answer
    x = 34,919.28

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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.