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Finding the Fourth Proportional to 111,110.16, 166,581.72 and 36,185.70

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Solution

The fourth proportional to 111,110.16, 166,581.72 and 36,185.70 is: 54,251.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,110.16 : 166,581.72 = 36,185.70 : x
  2. Step 2: Convert to fraction form
    111,110.16/166,581.72 = 36,185.70/x
  3. Step 3: Cross multiply
    111,110.16x = 166,581.72 × 36,185.70
  4. Step 4: Simplify right side
    111,110.16x = 6,027,876,145.40
  5. Step 5: Solve for x
    x = 6,027,876,145.40/111,110.16
  6. Step 6: Final answer
    x = 54,251.35

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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.