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Finding the Fourth Proportional to 167,099.30, 250,357.22 and 139,198.64

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Solution

The fourth proportional to 167,099.30, 250,357.22 and 139,198.64 is: 208,554.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,099.30 : 250,357.22 = 139,198.64 : x
  2. Step 2: Convert to fraction form
    167,099.30/250,357.22 = 139,198.64/x
  3. Step 3: Cross multiply
    167,099.30x = 250,357.22 × 139,198.64
  4. Step 4: Simplify right side
    167,099.30x = 34,849,384,538.18
  5. Step 5: Solve for x
    x = 34,849,384,538.18/167,099.30
  6. Step 6: Final answer
    x = 208,554.94

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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.