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Finding the Fourth Proportional to 149,489.60, 223,845.60 and 96,612.80

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Solution

The fourth proportional to 149,489.60, 223,845.60 and 96,612.80 is: 144,667.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,489.60 : 223,845.60 = 96,612.80 : x
  2. Step 2: Convert to fraction form
    149,489.60/223,845.60 = 96,612.80/x
  3. Step 3: Cross multiply
    149,489.60x = 223,845.60 × 96,612.80
  4. Step 4: Simplify right side
    149,489.60x = 21,626,350,183.68
  5. Step 5: Solve for x
    x = 21,626,350,183.68/149,489.60
  6. Step 6: Final answer
    x = 144,667.92

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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.