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Finding the Fourth Proportional to 85,163.92, 117,524.72 and 47,437.36

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Solution

The fourth proportional to 85,163.92, 117,524.72 and 47,437.36 is: 65,462.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,163.92 : 117,524.72 = 47,437.36 : x
  2. Step 2: Convert to fraction form
    85,163.92/117,524.72 = 47,437.36/x
  3. Step 3: Cross multiply
    85,163.92x = 117,524.72 × 47,437.36
  4. Step 4: Simplify right side
    85,163.92x = 5,575,062,451.54
  5. Step 5: Solve for x
    x = 5,575,062,451.54/85,163.92
  6. Step 6: Final answer
    x = 65,462.73

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1.5x scale

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.