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Finding the Fourth Proportional to 65,745.60, 98,472.60 and 50,906.40

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Solution

The fourth proportional to 65,745.60, 98,472.60 and 50,906.40 is: 76,246.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,745.60 : 98,472.60 = 50,906.40 : x
  2. Step 2: Convert to fraction form
    65,745.60/98,472.60 = 50,906.40/x
  3. Step 3: Cross multiply
    65,745.60x = 98,472.60 × 50,906.40
  4. Step 4: Simplify right side
    65,745.60x = 5,012,885,564.64
  5. Step 5: Solve for x
    x = 5,012,885,564.64/65,745.60
  6. Step 6: Final answer
    x = 76,246.71

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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.