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Finding the Fourth Proportional to 67,896.70, 101,844.96 and 38,301.10

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Solution

The fourth proportional to 67,896.70, 101,844.96 and 38,301.10 is: 57,451.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,896.70 : 101,844.96 = 38,301.10 : x
  2. Step 2: Convert to fraction form
    67,896.70/101,844.96 = 38,301.10/x
  3. Step 3: Cross multiply
    67,896.70x = 101,844.96 × 38,301.10
  4. Step 4: Simplify right side
    67,896.70x = 3,900,773,997.46
  5. Step 5: Solve for x
    x = 3,900,773,997.46/67,896.70
  6. Step 6: Final answer
    x = 57,451.60

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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.