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Finding the Fourth Proportional to 111,371.58, 167,040.39 and 36,499.50

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Solution

The fourth proportional to 111,371.58, 167,040.39 and 36,499.50 is: 54,743.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,371.58 : 167,040.39 = 36,499.50 : x
  2. Step 2: Convert to fraction form
    111,371.58/167,040.39 = 36,499.50/x
  3. Step 3: Cross multiply
    111,371.58x = 167,040.39 × 36,499.50
  4. Step 4: Simplify right side
    111,371.58x = 6,096,890,714.81
  5. Step 5: Solve for x
    x = 6,096,890,714.81/111,371.58
  6. Step 6: Final answer
    x = 54,743.69

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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.