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Finding the Fourth Proportional to 67,468.20, 101,202.60 and 28,025.28

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Solution

The fourth proportional to 67,468.20, 101,202.60 and 28,025.28 is: 42,038.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,468.20 : 101,202.60 = 28,025.28 : x
  2. Step 2: Convert to fraction form
    67,468.20/101,202.60 = 28,025.28/x
  3. Step 3: Cross multiply
    67,468.20x = 101,202.60 × 28,025.28
  4. Step 4: Simplify right side
    67,468.20x = 2,836,231,201.73
  5. Step 5: Solve for x
    x = 2,836,231,201.73/67,468.20
  6. Step 6: Final answer
    x = 42,038.04

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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.