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Finding the Fourth Proportional to 111,633.47, 167,473.22 and 36,758.07

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Solution

The fourth proportional to 111,633.47, 167,473.22 and 36,758.07 is: 55,144.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,633.47 : 167,473.22 = 36,758.07 : x
  2. Step 2: Convert to fraction form
    111,633.47/167,473.22 = 36,758.07/x
  3. Step 3: Cross multiply
    111,633.47x = 167,473.22 × 36,758.07
  4. Step 4: Simplify right side
    111,633.47x = 6,155,992,160.10
  5. Step 5: Solve for x
    x = 6,155,992,160.10/111,633.47
  6. Step 6: Final answer
    x = 55,144.68

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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.