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Finding the Fourth Proportional to 192,135.92, 288,203.52 and 106,801.04

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Solution

The fourth proportional to 192,135.92, 288,203.52 and 106,801.04 is: 160,201.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,135.92 : 288,203.52 = 106,801.04 : x
  2. Step 2: Convert to fraction form
    192,135.92/288,203.52 = 106,801.04/x
  3. Step 3: Cross multiply
    192,135.92x = 288,203.52 × 106,801.04
  4. Step 4: Simplify right side
    192,135.92x = 30,780,435,667.66
  5. Step 5: Solve for x
    x = 30,780,435,667.66/192,135.92
  6. Step 6: Final answer
    x = 160,201.36

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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.