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Finding the Fourth Proportional to 150,604.98, 225,834.72 and 87,440.99

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Solution

The fourth proportional to 150,604.98, 225,834.72 and 87,440.99 is: 131,119.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,604.98 : 225,834.72 = 87,440.99 : x
  2. Step 2: Convert to fraction form
    150,604.98/225,834.72 = 87,440.99/x
  3. Step 3: Cross multiply
    150,604.98x = 225,834.72 × 87,440.99
  4. Step 4: Simplify right side
    150,604.98x = 19,747,210,364.00
  5. Step 5: Solve for x
    x = 19,747,210,364.00/150,604.98
  6. Step 6: Final answer
    x = 131,119.24

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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.