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Finding the Fourth Proportional to 111,661.14, 167,455.72 and 36,763.46

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Solution

The fourth proportional to 111,661.14, 167,455.72 and 36,763.46 is: 55,133.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,661.14 : 167,455.72 = 36,763.46 : x
  2. Step 2: Convert to fraction form
    111,661.14/167,455.72 = 36,763.46/x
  3. Step 3: Cross multiply
    111,661.14x = 167,455.72 × 36,763.46
  4. Step 4: Simplify right side
    111,661.14x = 6,156,251,029.66
  5. Step 5: Solve for x
    x = 6,156,251,029.66/111,661.14
  6. Step 6: Final answer
    x = 55,133.33

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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.