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Finding the Fourth Proportional to 111,788.20, 167,646.66 and 36,894.44

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Solution

The fourth proportional to 111,788.20, 167,646.66 and 36,894.44 is: 55,329.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,788.20 : 167,646.66 = 36,894.44 : x
  2. Step 2: Convert to fraction form
    111,788.20/167,646.66 = 36,894.44/x
  3. Step 3: Cross multiply
    111,788.20x = 167,646.66 × 36,894.44
  4. Step 4: Simplify right side
    111,788.20x = 6,185,229,638.57
  5. Step 5: Solve for x
    x = 6,185,229,638.57/111,788.20
  6. Step 6: Final answer
    x = 55,329.90

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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.