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Finding the Fourth Proportional to 250,617.26, 375,942.27 and 73,109.42

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Solution

The fourth proportional to 250,617.26, 375,942.27 and 73,109.42 is: 109,668.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,617.26 : 375,942.27 = 73,109.42 : x
  2. Step 2: Convert to fraction form
    250,617.26/375,942.27 = 73,109.42/x
  3. Step 3: Cross multiply
    250,617.26x = 375,942.27 × 73,109.42
  4. Step 4: Simplify right side
    250,617.26x = 27,484,921,313.18
  5. Step 5: Solve for x
    x = 27,484,921,313.18/250,617.26
  6. Step 6: Final answer
    x = 109,668.91

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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.