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Finding the Fourth Proportional to 245,245.12, 367,874.56 and 67,752.11

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Solution

The fourth proportional to 245,245.12, 367,874.56 and 67,752.11 is: 101,630.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,245.12 : 367,874.56 = 67,752.11 : x
  2. Step 2: Convert to fraction form
    245,245.12/367,874.56 = 67,752.11/x
  3. Step 3: Cross multiply
    245,245.12x = 367,874.56 × 67,752.11
  4. Step 4: Simplify right side
    245,245.12x = 24,924,278,659.70
  5. Step 5: Solve for x
    x = 24,924,278,659.70/245,245.12
  6. Step 6: Final answer
    x = 101,630.07

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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.