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Finding the Fourth Proportional to 178,469.76, 267,659.84 and 73,317.76

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Solution

The fourth proportional to 178,469.76, 267,659.84 and 73,317.76 is: 109,958.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,469.76 : 267,659.84 = 73,317.76 : x
  2. Step 2: Convert to fraction form
    178,469.76/267,659.84 = 73,317.76/x
  3. Step 3: Cross multiply
    178,469.76x = 267,659.84 × 73,317.76
  4. Step 4: Simplify right side
    178,469.76x = 19,624,219,910.76
  5. Step 5: Solve for x
    x = 19,624,219,910.76/178,469.76
  6. Step 6: Final answer
    x = 109,958.24

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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.