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Finding the Fourth Proportional to 150,450.40, 225,816.56 and 79,425.76

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Solution

The fourth proportional to 150,450.40, 225,816.56 and 79,425.76 is: 119,213.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,450.40 : 225,816.56 = 79,425.76 : x
  2. Step 2: Convert to fraction form
    150,450.40/225,816.56 = 79,425.76/x
  3. Step 3: Cross multiply
    150,450.40x = 225,816.56 × 79,425.76
  4. Step 4: Simplify right side
    150,450.40x = 17,935,651,898.59
  5. Step 5: Solve for x
    x = 17,935,651,898.59/150,450.40
  6. Step 6: Final answer
    x = 119,213.06

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1.5x scale

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.