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Finding the Fourth Proportional to 104,027.60, 155,652.60 and 69,035.60

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Solution

The fourth proportional to 104,027.60, 155,652.60 and 69,035.60 is: 103,295.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,027.60 : 155,652.60 = 69,035.60 : x
  2. Step 2: Convert to fraction form
    104,027.60/155,652.60 = 69,035.60/x
  3. Step 3: Cross multiply
    104,027.60x = 155,652.60 × 69,035.60
  4. Step 4: Simplify right side
    104,027.60x = 10,745,570,632.56
  5. Step 5: Solve for x
    x = 10,745,570,632.56/104,027.60
  6. Step 6: Final answer
    x = 103,295.38

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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.