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Finding the Fourth Proportional to 250,396.35, 375,595.17 and 72,907.62

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Solution

The fourth proportional to 250,396.35, 375,595.17 and 72,907.62 is: 109,361.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,396.35 : 375,595.17 = 72,907.62 : x
  2. Step 2: Convert to fraction form
    250,396.35/375,595.17 = 72,907.62/x
  3. Step 3: Cross multiply
    250,396.35x = 375,595.17 × 72,907.62
  4. Step 4: Simplify right side
    250,396.35x = 27,383,749,928.20
  5. Step 5: Solve for x
    x = 27,383,749,928.20/250,396.35
  6. Step 6: Final answer
    x = 109,361.62

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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.