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Finding the Fourth Proportional to 73,079.72, 100,849.86 and 41,255.40

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Solution

The fourth proportional to 73,079.72, 100,849.86 and 41,255.40 is: 56,932.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,079.72 : 100,849.86 = 41,255.40 : x
  2. Step 2: Convert to fraction form
    73,079.72/100,849.86 = 41,255.40/x
  3. Step 3: Cross multiply
    73,079.72x = 100,849.86 × 41,255.40
  4. Step 4: Simplify right side
    73,079.72x = 4,160,601,314.24
  5. Step 5: Solve for x
    x = 4,160,601,314.24/73,079.72
  6. Step 6: Final answer
    x = 56,932.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.