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Finding the Fourth Proportional to 71,119.38, 106,679.07 and 48,865.29

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Solution

The fourth proportional to 71,119.38, 106,679.07 and 48,865.29 is: 73,297.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,119.38 : 106,679.07 = 48,865.29 : x
  2. Step 2: Convert to fraction form
    71,119.38/106,679.07 = 48,865.29/x
  3. Step 3: Cross multiply
    71,119.38x = 106,679.07 × 48,865.29
  4. Step 4: Simplify right side
    71,119.38x = 5,212,903,692.48
  5. Step 5: Solve for x
    x = 5,212,903,692.48/71,119.38
  6. Step 6: Final answer
    x = 73,297.94

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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.