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Finding the Fourth Proportional to 150,788.71, 225,838.54 and 71,958.30

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Solution

The fourth proportional to 150,788.71, 225,838.54 and 71,958.30 is: 107,773.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,788.71 : 225,838.54 = 71,958.30 : x
  2. Step 2: Convert to fraction form
    150,788.71/225,838.54 = 71,958.30/x
  3. Step 3: Cross multiply
    150,788.71x = 225,838.54 × 71,958.30
  4. Step 4: Simplify right side
    150,788.71x = 16,250,957,412.88
  5. Step 5: Solve for x
    x = 16,250,957,412.88/150,788.71
  6. Step 6: Final answer
    x = 107,773.04

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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.