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Finding the Fourth Proportional to 192,800.88, 289,243.62 and 57,859.20

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Solution

The fourth proportional to 192,800.88, 289,243.62 and 57,859.20 is: 86,801.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,800.88 : 289,243.62 = 57,859.20 : x
  2. Step 2: Convert to fraction form
    192,800.88/289,243.62 = 57,859.20/x
  3. Step 3: Cross multiply
    192,800.88x = 289,243.62 × 57,859.20
  4. Step 4: Simplify right side
    192,800.88x = 16,735,404,458.30
  5. Step 5: Solve for x
    x = 16,735,404,458.30/192,800.88
  6. Step 6: Final answer
    x = 86,801.49

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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.