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Finding the Fourth Proportional to 192,800.30, 289,200.45 and 113,873.90

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Solution

The fourth proportional to 192,800.30, 289,200.45 and 113,873.90 is: 170,810.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,800.30 : 289,200.45 = 113,873.90 : x
  2. Step 2: Convert to fraction form
    192,800.30/289,200.45 = 113,873.90/x
  3. Step 3: Cross multiply
    192,800.30x = 289,200.45 × 113,873.90
  4. Step 4: Simplify right side
    192,800.30x = 32,932,383,123.26
  5. Step 5: Solve for x
    x = 32,932,383,123.26/192,800.30
  6. Step 6: Final answer
    x = 170,810.85

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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.