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Finding the Fourth Proportional to 79,250.90, 118,863.60 and 29,319.56

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Solution

The fourth proportional to 79,250.90, 118,863.60 and 29,319.56 is: 43,974.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,250.90 : 118,863.60 = 29,319.56 : x
  2. Step 2: Convert to fraction form
    79,250.90/118,863.60 = 29,319.56/x
  3. Step 3: Cross multiply
    79,250.90x = 118,863.60 × 29,319.56
  4. Step 4: Simplify right side
    79,250.90x = 3,485,028,452.02
  5. Step 5: Solve for x
    x = 3,485,028,452.02/79,250.90
  6. Step 6: Final answer
    x = 43,974.62

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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.