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Finding the Fourth Proportional to 150,099.79, 225,087.41 and 55,335.37

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Solution

The fourth proportional to 150,099.79, 225,087.41 and 55,335.37 is: 82,980.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,099.79 : 225,087.41 = 55,335.37 : x
  2. Step 2: Convert to fraction form
    150,099.79/225,087.41 = 55,335.37/x
  3. Step 3: Cross multiply
    150,099.79x = 225,087.41 × 55,335.37
  4. Step 4: Simplify right side
    150,099.79x = 12,455,295,275.88
  5. Step 5: Solve for x
    x = 12,455,295,275.88/150,099.79
  6. Step 6: Final answer
    x = 82,980.10

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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.