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Finding the Fourth Proportional to 74,107.92, 111,169.17 and 27,349.86

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Solution

The fourth proportional to 74,107.92, 111,169.17 and 27,349.86 is: 41,027.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,107.92 : 111,169.17 = 27,349.86 : x
  2. Step 2: Convert to fraction form
    74,107.92/111,169.17 = 27,349.86/x
  3. Step 3: Cross multiply
    74,107.92x = 111,169.17 × 27,349.86
  4. Step 4: Simplify right side
    74,107.92x = 3,040,461,235.82
  5. Step 5: Solve for x
    x = 3,040,461,235.82/74,107.92
  6. Step 6: Final answer
    x = 41,027.48

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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.