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Finding the Fourth Proportional to 144,801.80, 217,202.70 and 44,961.20

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Solution

The fourth proportional to 144,801.80, 217,202.70 and 44,961.20 is: 67,441.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,801.80 : 217,202.70 = 44,961.20 : x
  2. Step 2: Convert to fraction form
    144,801.80/217,202.70 = 44,961.20/x
  3. Step 3: Cross multiply
    144,801.80x = 217,202.70 × 44,961.20
  4. Step 4: Simplify right side
    144,801.80x = 9,765,694,035.24
  5. Step 5: Solve for x
    x = 9,765,694,035.24/144,801.80
  6. Step 6: Final answer
    x = 67,441.80

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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.