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Finding the Fourth Proportional to 73,446.30, 110,169.45 and 51,212.70

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Solution

The fourth proportional to 73,446.30, 110,169.45 and 51,212.70 is: 76,819.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,446.30 : 110,169.45 = 51,212.70 : x
  2. Step 2: Convert to fraction form
    73,446.30/110,169.45 = 51,212.70/x
  3. Step 3: Cross multiply
    73,446.30x = 110,169.45 × 51,212.70
  4. Step 4: Simplify right side
    73,446.30x = 5,642,074,992.02
  5. Step 5: Solve for x
    x = 5,642,074,992.02/73,446.30
  6. Step 6: Final answer
    x = 76,819.05

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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.