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Finding the Fourth Proportional to 74,103.61, 111,169.46 and 29,733.86

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Solution

The fourth proportional to 74,103.61, 111,169.46 and 29,733.86 is: 44,606.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,103.61 : 111,169.46 = 29,733.86 : x
  2. Step 2: Convert to fraction form
    74,103.61/111,169.46 = 29,733.86/x
  3. Step 3: Cross multiply
    74,103.61x = 111,169.46 × 29,733.86
  4. Step 4: Simplify right side
    74,103.61x = 3,305,497,199.51
  5. Step 5: Solve for x
    x = 3,305,497,199.51/74,103.61
  6. Step 6: Final answer
    x = 44,606.43

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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.