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Finding the Fourth Proportional to 111,755.52, 167,484.60 and 82,033.92

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Solution

The fourth proportional to 111,755.52, 167,484.60 and 82,033.92 is: 122,941.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,755.52 : 167,484.60 = 82,033.92 : x
  2. Step 2: Convert to fraction form
    111,755.52/167,484.60 = 82,033.92/x
  3. Step 3: Cross multiply
    111,755.52x = 167,484.60 × 82,033.92
  4. Step 4: Simplify right side
    111,755.52x = 13,739,418,277.63
  5. Step 5: Solve for x
    x = 13,739,418,277.63/111,755.52
  6. Step 6: Final answer
    x = 122,941.74

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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.