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Finding the Fourth Proportional to 267,525.20, 401,288.52 and 67,845.72

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Solution

The fourth proportional to 267,525.20, 401,288.52 and 67,845.72 is: 101,768.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,525.20 : 401,288.52 = 67,845.72 : x
  2. Step 2: Convert to fraction form
    267,525.20/401,288.52 = 67,845.72/x
  3. Step 3: Cross multiply
    267,525.20x = 401,288.52 × 67,845.72
  4. Step 4: Simplify right side
    267,525.20x = 27,225,708,567.13
  5. Step 5: Solve for x
    x = 27,225,708,567.13/267,525.20
  6. Step 6: Final answer
    x = 101,768.76

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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.