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Finding the Fourth Proportional to 150,788.59, 225,838.36 and 71,958.17

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Solution

The fourth proportional to 150,788.59, 225,838.36 and 71,958.17 is: 107,772.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,788.59 : 225,838.36 = 71,958.17 : x
  2. Step 2: Convert to fraction form
    150,788.59/225,838.36 = 71,958.17/x
  3. Step 3: Cross multiply
    150,788.59x = 225,838.36 × 71,958.17
  4. Step 4: Simplify right side
    150,788.59x = 16,250,915,101.40
  5. Step 5: Solve for x
    x = 16,250,915,101.40/150,788.59
  6. Step 6: Final answer
    x = 107,772.84

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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.