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Finding the Fourth Proportional to 195,287.20, 292,930.80 and 192,176.80

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Solution

The fourth proportional to 195,287.20, 292,930.80 and 192,176.80 is: 288,265.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,287.20 : 292,930.80 = 192,176.80 : x
  2. Step 2: Convert to fraction form
    195,287.20/292,930.80 = 192,176.80/x
  3. Step 3: Cross multiply
    195,287.20x = 292,930.80 × 192,176.80
  4. Step 4: Simplify right side
    195,287.20x = 56,294,503,765.44
  5. Step 5: Solve for x
    x = 56,294,503,765.44/195,287.20
  6. Step 6: Final answer
    x = 288,265.20

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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.