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Finding the Fourth Proportional to 325,801.28, 488,778.42 and 101,150.12

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Solution

The fourth proportional to 325,801.28, 488,778.42 and 101,150.12 is: 151,748.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,801.28 : 488,778.42 = 101,150.12 : x
  2. Step 2: Convert to fraction form
    325,801.28/488,778.42 = 101,150.12/x
  3. Step 3: Cross multiply
    325,801.28x = 488,778.42 × 101,150.12
  4. Step 4: Simplify right side
    325,801.28x = 49,439,995,836.41
  5. Step 5: Solve for x
    x = 49,439,995,836.41/325,801.28
  6. Step 6: Final answer
    x = 151,748.93

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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.