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Finding the Fourth Proportional to 143,997.36, 216,092.46 and 59,757.60

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Solution

The fourth proportional to 143,997.36, 216,092.46 and 59,757.60 is: 89,676.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,997.36 : 216,092.46 = 59,757.60 : x
  2. Step 2: Convert to fraction form
    143,997.36/216,092.46 = 59,757.60/x
  3. Step 3: Cross multiply
    143,997.36x = 216,092.46 × 59,757.60
  4. Step 4: Simplify right side
    143,997.36x = 12,913,166,787.70
  5. Step 5: Solve for x
    x = 12,913,166,787.70/143,997.36
  6. Step 6: Final answer
    x = 89,676.41

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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.