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Finding the Fourth Proportional to 74,018.20, 111,027.30 and 44,469.40

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Solution

The fourth proportional to 74,018.20, 111,027.30 and 44,469.40 is: 66,704.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,018.20 : 111,027.30 = 44,469.40 : x
  2. Step 2: Convert to fraction form
    74,018.20/111,027.30 = 44,469.40/x
  3. Step 3: Cross multiply
    74,018.20x = 111,027.30 × 44,469.40
  4. Step 4: Simplify right side
    74,018.20x = 4,937,317,414.62
  5. Step 5: Solve for x
    x = 4,937,317,414.62/74,018.20
  6. Step 6: Final answer
    x = 66,704.10

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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.