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Finding the Fourth Proportional to 325,847.28, 488,847.42 and 101,196.12

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Solution

The fourth proportional to 325,847.28, 488,847.42 and 101,196.12 is: 151,817.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,847.28 : 488,847.42 = 101,196.12 : x
  2. Step 2: Convert to fraction form
    325,847.28/488,847.42 = 101,196.12/x
  3. Step 3: Cross multiply
    325,847.28x = 488,847.42 × 101,196.12
  4. Step 4: Simplify right side
    325,847.28x = 49,469,462,176.01
  5. Step 5: Solve for x
    x = 49,469,462,176.01/325,847.28
  6. Step 6: Final answer
    x = 151,817.94

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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.