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Finding the Fourth Proportional to 111,747.77, 167,656.64 and 36,920.48

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Solution

The fourth proportional to 111,747.77, 167,656.64 and 36,920.48 is: 55,392.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,747.77 : 167,656.64 = 36,920.48 : x
  2. Step 2: Convert to fraction form
    111,747.77/167,656.64 = 36,920.48/x
  3. Step 3: Cross multiply
    111,747.77x = 167,656.64 × 36,920.48
  4. Step 4: Simplify right side
    111,747.77x = 6,189,962,601.10
  5. Step 5: Solve for x
    x = 6,189,962,601.10/111,747.77
  6. Step 6: Final answer
    x = 55,392.27

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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.