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Finding the Fourth Proportional to 111,995.10, 167,903.84 and 58,676.85

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Solution

The fourth proportional to 111,995.10, 167,903.84 and 58,676.85 is: 87,968.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,995.10 : 167,903.84 = 58,676.85 : x
  2. Step 2: Convert to fraction form
    111,995.10/167,903.84 = 58,676.85/x
  3. Step 3: Cross multiply
    111,995.10x = 167,903.84 × 58,676.85
  4. Step 4: Simplify right side
    111,995.10x = 9,852,067,850.27
  5. Step 5: Solve for x
    x = 9,852,067,850.27/111,995.10
  6. Step 6: Final answer
    x = 87,968.74

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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.