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Finding the Fourth Proportional to 73,790.79, 110,739.38 and 29,391.86

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Solution

The fourth proportional to 73,790.79, 110,739.38 and 29,391.86 is: 44,108.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,790.79 : 110,739.38 = 29,391.86 : x
  2. Step 2: Convert to fraction form
    73,790.79/110,739.38 = 29,391.86/x
  3. Step 3: Cross multiply
    73,790.79x = 110,739.38 × 29,391.86
  4. Step 4: Simplify right side
    73,790.79x = 3,254,836,353.45
  5. Step 5: Solve for x
    x = 3,254,836,353.45/73,790.79
  6. Step 6: Final answer
    x = 44,108.98

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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.