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Finding the Fourth Proportional to 111,568.73, 167,358.47 and 36,687.22

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Solution

The fourth proportional to 111,568.73, 167,358.47 and 36,687.22 is: 55,032.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,568.73 : 167,358.47 = 36,687.22 : x
  2. Step 2: Convert to fraction form
    111,568.73/167,358.47 = 36,687.22/x
  3. Step 3: Cross multiply
    111,568.73x = 167,358.47 × 36,687.22
  4. Step 4: Simplify right side
    111,568.73x = 6,139,917,007.75
  5. Step 5: Solve for x
    x = 6,139,917,007.75/111,568.73
  6. Step 6: Final answer
    x = 55,032.60

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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.