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Finding the Fourth Proportional to 111,821.58, 167,761.53 and 41,701.50

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Solution

The fourth proportional to 111,821.58, 167,761.53 and 41,701.50 is: 62,563.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,821.58 : 167,761.53 = 41,701.50 : x
  2. Step 2: Convert to fraction form
    111,821.58/167,761.53 = 41,701.50/x
  3. Step 3: Cross multiply
    111,821.58x = 167,761.53 × 41,701.50
  4. Step 4: Simplify right side
    111,821.58x = 6,995,907,443.30
  5. Step 5: Solve for x
    x = 6,995,907,443.30/111,821.58
  6. Step 6: Final answer
    x = 62,563.12

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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.