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Finding the Fourth Proportional to 111,473.72, 167,227.99 and 36,576.83

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Solution

The fourth proportional to 111,473.72, 167,227.99 and 36,576.83 is: 54,870.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,473.72 : 167,227.99 = 36,576.83 : x
  2. Step 2: Convert to fraction form
    111,473.72/167,227.99 = 36,576.83/x
  3. Step 3: Cross multiply
    111,473.72x = 167,227.99 × 36,576.83
  4. Step 4: Simplify right side
    111,473.72x = 6,116,669,588.35
  5. Step 5: Solve for x
    x = 6,116,669,588.35/111,473.72
  6. Step 6: Final answer
    x = 54,870.96

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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.