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Finding the Fourth Proportional to 96,023.20, 143,912.40 and 53,903.20

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Solution

The fourth proportional to 96,023.20, 143,912.40 and 53,903.20 is: 80,786.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,023.20 : 143,912.40 = 53,903.20 : x
  2. Step 2: Convert to fraction form
    96,023.20/143,912.40 = 53,903.20/x
  3. Step 3: Cross multiply
    96,023.20x = 143,912.40 × 53,903.20
  4. Step 4: Simplify right side
    96,023.20x = 7,757,338,879.68
  5. Step 5: Solve for x
    x = 7,757,338,879.68/96,023.20
  6. Step 6: Final answer
    x = 80,786.09

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1.5x scale

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.