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Finding the Fourth Proportional to 193,892.40, 290,622.60 and 75,524.40

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Solution

The fourth proportional to 193,892.40, 290,622.60 and 75,524.40 is: 113,202.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,892.40 : 290,622.60 = 75,524.40 : x
  2. Step 2: Convert to fraction form
    193,892.40/290,622.60 = 75,524.40/x
  3. Step 3: Cross multiply
    193,892.40x = 290,622.60 × 75,524.40
  4. Step 4: Simplify right side
    193,892.40x = 21,949,097,491.44
  5. Step 5: Solve for x
    x = 21,949,097,491.44/193,892.40
  6. Step 6: Final answer
    x = 113,202.46

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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.