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Finding the Fourth Proportional to 192,499.10, 288,420.60 and 164,286.80

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Solution

The fourth proportional to 192,499.10, 288,420.60 and 164,286.80 is: 246,150.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,499.10 : 288,420.60 = 164,286.80 : x
  2. Step 2: Convert to fraction form
    192,499.10/288,420.60 = 164,286.80/x
  3. Step 3: Cross multiply
    192,499.10x = 288,420.60 × 164,286.80
  4. Step 4: Simplify right side
    192,499.10x = 47,383,697,428.08
  5. Step 5: Solve for x
    x = 47,383,697,428.08/192,499.10
  6. Step 6: Final answer
    x = 246,150.23

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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.