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Finding the Fourth Proportional to 67,494.27, 101,345.45 and 57,100.86

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Solution

The fourth proportional to 67,494.27, 101,345.45 and 57,100.86 is: 85,739.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,494.27 : 101,345.45 = 57,100.86 : x
  2. Step 2: Convert to fraction form
    67,494.27/101,345.45 = 57,100.86/x
  3. Step 3: Cross multiply
    67,494.27x = 101,345.45 × 57,100.86
  4. Step 4: Simplify right side
    67,494.27x = 5,786,912,352.09
  5. Step 5: Solve for x
    x = 5,786,912,352.09/67,494.27
  6. Step 6: Final answer
    x = 85,739.31

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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.