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Finding the Fourth Proportional to 70,736.58, 106,104.84 and 23,989.86

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Solution

The fourth proportional to 70,736.58, 106,104.84 and 23,989.86 is: 35,984.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,736.58 : 106,104.84 = 23,989.86 : x
  2. Step 2: Convert to fraction form
    70,736.58/106,104.84 = 23,989.86/x
  3. Step 3: Cross multiply
    70,736.58x = 106,104.84 × 23,989.86
  4. Step 4: Simplify right side
    70,736.58x = 2,545,440,256.92
  5. Step 5: Solve for x
    x = 2,545,440,256.92/70,736.58
  6. Step 6: Final answer
    x = 35,984.78

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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.