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Finding the Fourth Proportional to 250,379.70, 375,649.83 and 72,897.36

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Solution

The fourth proportional to 250,379.70, 375,649.83 and 72,897.36 is: 109,369.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,379.70 : 375,649.83 = 72,897.36 : x
  2. Step 2: Convert to fraction form
    250,379.70/375,649.83 = 72,897.36/x
  3. Step 3: Cross multiply
    250,379.70x = 375,649.83 × 72,897.36
  4. Step 4: Simplify right side
    250,379.70x = 27,383,880,891.45
  5. Step 5: Solve for x
    x = 27,383,880,891.45/250,379.70
  6. Step 6: Final answer
    x = 109,369.41

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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.