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Finding the Fourth Proportional to 192,540.60, 288,033.30 and 166,534.20

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Solution

The fourth proportional to 192,540.60, 288,033.30 and 166,534.20 is: 249,128.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,540.60 : 288,033.30 = 166,534.20 : x
  2. Step 2: Convert to fraction form
    192,540.60/288,033.30 = 166,534.20/x
  3. Step 3: Cross multiply
    192,540.60x = 288,033.30 × 166,534.20
  4. Step 4: Simplify right side
    192,540.60x = 47,967,395,188.86
  5. Step 5: Solve for x
    x = 47,967,395,188.86/192,540.60
  6. Step 6: Final answer
    x = 249,128.73

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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.