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Finding the Fourth Proportional to 104,496.80, 156,745.20 and 65,033.60

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Solution

The fourth proportional to 104,496.80, 156,745.20 and 65,033.60 is: 97,550.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,496.80 : 156,745.20 = 65,033.60 : x
  2. Step 2: Convert to fraction form
    104,496.80/156,745.20 = 65,033.60/x
  3. Step 3: Cross multiply
    104,496.80x = 156,745.20 × 65,033.60
  4. Step 4: Simplify right side
    104,496.80x = 10,193,704,638.72
  5. Step 5: Solve for x
    x = 10,193,704,638.72/104,496.80
  6. Step 6: Final answer
    x = 97,550.40

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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.