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Finding the Fourth Proportional to 136,163.52, 204,245.16 and 42,676.56

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Solution

The fourth proportional to 136,163.52, 204,245.16 and 42,676.56 is: 64,014.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,163.52 : 204,245.16 = 42,676.56 : x
  2. Step 2: Convert to fraction form
    136,163.52/204,245.16 = 42,676.56/x
  3. Step 3: Cross multiply
    136,163.52x = 204,245.16 × 42,676.56
  4. Step 4: Simplify right side
    136,163.52x = 8,716,480,825.45
  5. Step 5: Solve for x
    x = 8,716,480,825.45/136,163.52
  6. Step 6: Final answer
    x = 64,014.80

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1.5x scale

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.