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Finding the Fourth Proportional to 111,671.78, 167,511.61 and 35,772.63

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Solution

The fourth proportional to 111,671.78, 167,511.61 and 35,772.63 is: 53,660.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,671.78 : 167,511.61 = 35,772.63 : x
  2. Step 2: Convert to fraction form
    111,671.78/167,511.61 = 35,772.63/x
  3. Step 3: Cross multiply
    111,671.78x = 167,511.61 × 35,772.63
  4. Step 4: Simplify right side
    111,671.78x = 5,992,330,755.80
  5. Step 5: Solve for x
    x = 5,992,330,755.80/111,671.78
  6. Step 6: Final answer
    x = 53,660.21

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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.