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Finding the Fourth Proportional to 150,580.70, 225,788.54 and 69,439.64

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Solution

The fourth proportional to 150,580.70, 225,788.54 and 69,439.64 is: 104,121.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,580.70 : 225,788.54 = 69,439.64 : x
  2. Step 2: Convert to fraction form
    150,580.70/225,788.54 = 69,439.64/x
  3. Step 3: Cross multiply
    150,580.70x = 225,788.54 × 69,439.64
  4. Step 4: Simplify right side
    150,580.70x = 15,678,674,933.73
  5. Step 5: Solve for x
    x = 15,678,674,933.73/150,580.70
  6. Step 6: Final answer
    x = 104,121.41

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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.