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Finding the Fourth Proportional to 67,997.20, 101,896.20 and 60,977.20

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Solution

The fourth proportional to 67,997.20, 101,896.20 and 60,977.20 is: 91,376.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,997.20 : 101,896.20 = 60,977.20 : x
  2. Step 2: Convert to fraction form
    67,997.20/101,896.20 = 60,977.20/x
  3. Step 3: Cross multiply
    67,997.20x = 101,896.20 × 60,977.20
  4. Step 4: Simplify right side
    67,997.20x = 6,213,344,966.64
  5. Step 5: Solve for x
    x = 6,213,344,966.64/67,997.20
  6. Step 6: Final answer
    x = 91,376.48

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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.