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Finding the Fourth Proportional to 111,639.66, 167,461.07 and 32,755.52

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Solution

The fourth proportional to 111,639.66, 167,461.07 and 32,755.52 is: 49,133.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,639.66 : 167,461.07 = 32,755.52 : x
  2. Step 2: Convert to fraction form
    111,639.66/167,461.07 = 32,755.52/x
  3. Step 3: Cross multiply
    111,639.66x = 167,461.07 × 32,755.52
  4. Step 4: Simplify right side
    111,639.66x = 5,485,273,426.52
  5. Step 5: Solve for x
    x = 5,485,273,426.52/111,639.66
  6. Step 6: Final answer
    x = 49,133.73

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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.