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Finding the Fourth Proportional to 250,410.40, 375,677.24 and 72,919.12

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Solution

The fourth proportional to 250,410.40, 375,677.24 and 72,919.12 is: 109,396.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,410.40 : 375,677.24 = 72,919.12 : x
  2. Step 2: Convert to fraction form
    250,410.40/375,677.24 = 72,919.12/x
  3. Step 3: Cross multiply
    250,410.40x = 375,677.24 × 72,919.12
  4. Step 4: Simplify right side
    250,410.40x = 27,394,053,744.83
  5. Step 5: Solve for x
    x = 27,394,053,744.83/250,410.40
  6. Step 6: Final answer
    x = 109,396.63

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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.