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Finding the Fourth Proportional to 70,768.08, 106,217.73 and 35,732.34

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Solution

The fourth proportional to 70,768.08, 106,217.73 and 35,732.34 is: 53,631.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,768.08 : 106,217.73 = 35,732.34 : x
  2. Step 2: Convert to fraction form
    70,768.08/106,217.73 = 35,732.34/x
  3. Step 3: Cross multiply
    70,768.08x = 106,217.73 × 35,732.34
  4. Step 4: Simplify right side
    70,768.08x = 3,795,408,042.39
  5. Step 5: Solve for x
    x = 3,795,408,042.39/70,768.08
  6. Step 6: Final answer
    x = 53,631.64

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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.