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Finding the Fourth Proportional to 73,062.55, 100,791.70 and 47,559.61

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Solution

The fourth proportional to 73,062.55, 100,791.70 and 47,559.61 is: 65,609.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,062.55 : 100,791.70 = 47,559.61 : x
  2. Step 2: Convert to fraction form
    73,062.55/100,791.70 = 47,559.61/x
  3. Step 3: Cross multiply
    73,062.55x = 100,791.70 × 47,559.61
  4. Step 4: Simplify right side
    73,062.55x = 4,793,613,943.24
  5. Step 5: Solve for x
    x = 4,793,613,943.24/73,062.55
  6. Step 6: Final answer
    x = 65,609.73

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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.