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Finding the Fourth Proportional to 174,939.60, 262,020.60 and 143,835.60

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Solution

The fourth proportional to 174,939.60, 262,020.60 and 143,835.60 is: 215,433.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,939.60 : 262,020.60 = 143,835.60 : x
  2. Step 2: Convert to fraction form
    174,939.60/262,020.60 = 143,835.60/x
  3. Step 3: Cross multiply
    174,939.60x = 262,020.60 × 143,835.60
  4. Step 4: Simplify right side
    174,939.60x = 37,687,890,213.36
  5. Step 5: Solve for x
    x = 37,687,890,213.36/174,939.60
  6. Step 6: Final answer
    x = 215,433.73

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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.