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Finding the Fourth Proportional to 104,433.90, 156,650.85 and 48,273.90

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Solution

The fourth proportional to 104,433.90, 156,650.85 and 48,273.90 is: 72,410.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,433.90 : 156,650.85 = 48,273.90 : x
  2. Step 2: Convert to fraction form
    104,433.90/156,650.85 = 48,273.90/x
  3. Step 3: Cross multiply
    104,433.90x = 156,650.85 × 48,273.90
  4. Step 4: Simplify right side
    104,433.90x = 7,562,147,467.82
  5. Step 5: Solve for x
    x = 7,562,147,467.82/104,433.90
  6. Step 6: Final answer
    x = 72,410.85

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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.