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Finding the Fourth Proportional to 150,650.40, 225,858.78 and 87,373.20

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Solution

The fourth proportional to 150,650.40, 225,858.78 and 87,373.20 is: 130,992.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,650.40 : 225,858.78 = 87,373.20 : x
  2. Step 2: Convert to fraction form
    150,650.40/225,858.78 = 87,373.20/x
  3. Step 3: Cross multiply
    150,650.40x = 225,858.78 × 87,373.20
  4. Step 4: Simplify right side
    150,650.40x = 19,734,004,356.70
  5. Step 5: Solve for x
    x = 19,734,004,356.70/150,650.40
  6. Step 6: Final answer
    x = 130,992.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.