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Finding the Fourth Proportional to 111,152.58, 166,746.29 and 36,255.43

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Solution

The fourth proportional to 111,152.58, 166,746.29 and 36,255.43 is: 54,388.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,152.58 : 166,746.29 = 36,255.43 : x
  2. Step 2: Convert to fraction form
    111,152.58/166,746.29 = 36,255.43/x
  3. Step 3: Cross multiply
    111,152.58x = 166,746.29 × 36,255.43
  4. Step 4: Simplify right side
    111,152.58x = 6,045,458,451.68
  5. Step 5: Solve for x
    x = 6,045,458,451.68/111,152.58
  6. Step 6: Final answer
    x = 54,388.83

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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.