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Finding the Fourth Proportional to 150,481.69, 225,800.14 and 70,527.78

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Solution

The fourth proportional to 150,481.69, 225,800.14 and 70,527.78 is: 105,828.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,481.69 : 225,800.14 = 70,527.78 : x
  2. Step 2: Convert to fraction form
    150,481.69/225,800.14 = 70,527.78/x
  3. Step 3: Cross multiply
    150,481.69x = 225,800.14 × 70,527.78
  4. Step 4: Simplify right side
    150,481.69x = 15,925,181,768.91
  5. Step 5: Solve for x
    x = 15,925,181,768.91/150,481.69
  6. Step 6: Final answer
    x = 105,828.04

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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.