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Finding the Fourth Proportional to 136,524.59, 204,786.95 and 43,037.63

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Solution

The fourth proportional to 136,524.59, 204,786.95 and 43,037.63 is: 64,556.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,524.59 : 204,786.95 = 43,037.63 : x
  2. Step 2: Convert to fraction form
    136,524.59/204,786.95 = 43,037.63/x
  3. Step 3: Cross multiply
    136,524.59x = 204,786.95 × 43,037.63
  4. Step 4: Simplify right side
    136,524.59x = 8,813,544,982.93
  5. Step 5: Solve for x
    x = 8,813,544,982.93/136,524.59
  6. Step 6: Final answer
    x = 64,556.47

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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.