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Finding the Fourth Proportional to 113,221.99, 169,832.99 and 50,819.59

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Solution

The fourth proportional to 113,221.99, 169,832.99 and 50,819.59 is: 76,229.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,221.99 : 169,832.99 = 50,819.59 : x
  2. Step 2: Convert to fraction form
    113,221.99/169,832.99 = 50,819.59/x
  3. Step 3: Cross multiply
    113,221.99x = 169,832.99 × 50,819.59
  4. Step 4: Simplify right side
    113,221.99x = 8,630,842,920.27
  5. Step 5: Solve for x
    x = 8,630,842,920.27/113,221.99
  6. Step 6: Final answer
    x = 76,229.39

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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.