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Finding the Fourth Proportional to 351,107.44, 526,616.77 and 111,245.68

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Solution

The fourth proportional to 351,107.44, 526,616.77 and 111,245.68 is: 166,854.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,107.44 : 526,616.77 = 111,245.68 : x
  2. Step 2: Convert to fraction form
    351,107.44/526,616.77 = 111,245.68/x
  3. Step 3: Cross multiply
    351,107.44x = 526,616.77 × 111,245.68
  4. Step 4: Simplify right side
    351,107.44x = 58,583,841,753.50
  5. Step 5: Solve for x
    x = 58,583,841,753.50/351,107.44
  6. Step 6: Final answer
    x = 166,854.46

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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.