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Finding the Fourth Proportional to 250,329.87, 375,631.44 and 106,213.44

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Solution

The fourth proportional to 250,329.87, 375,631.44 and 106,213.44 is: 159,378.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,329.87 : 375,631.44 = 106,213.44 : x
  2. Step 2: Convert to fraction form
    250,329.87/375,631.44 = 106,213.44/x
  3. Step 3: Cross multiply
    250,329.87x = 375,631.44 × 106,213.44
  4. Step 4: Simplify right side
    250,329.87x = 39,897,107,414.55
  5. Step 5: Solve for x
    x = 39,897,107,414.55/250,329.87
  6. Step 6: Final answer
    x = 159,378.13

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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.