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Finding the Fourth Proportional to 111,184.82, 166,786.41 and 36,303.30

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Solution

The fourth proportional to 111,184.82, 166,786.41 and 36,303.30 is: 54,457.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,184.82 : 166,786.41 = 36,303.30 : x
  2. Step 2: Convert to fraction form
    111,184.82/166,786.41 = 36,303.30/x
  3. Step 3: Cross multiply
    111,184.82x = 166,786.41 × 36,303.30
  4. Step 4: Simplify right side
    111,184.82x = 6,054,897,078.15
  5. Step 5: Solve for x
    x = 6,054,897,078.15/111,184.82
  6. Step 6: Final answer
    x = 54,457.95

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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.