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Finding the Fourth Proportional to 111,729.66, 167,558.96 and 36,835.86

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Solution

The fourth proportional to 111,729.66, 167,558.96 and 36,835.86 is: 55,242.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,729.66 : 167,558.96 = 36,835.86 : x
  2. Step 2: Convert to fraction form
    111,729.66/167,558.96 = 36,835.86/x
  3. Step 3: Cross multiply
    111,729.66x = 167,558.96 × 36,835.86
  4. Step 4: Simplify right side
    111,729.66x = 6,172,178,208.13
  5. Step 5: Solve for x
    x = 6,172,178,208.13/111,729.66
  6. Step 6: Final answer
    x = 55,242.07

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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.