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Finding the Fourth Proportional to 173,620.20, 259,739.10 and 150,503.40

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Solution

The fourth proportional to 173,620.20, 259,739.10 and 150,503.40 is: 225,155.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,620.20 : 259,739.10 = 150,503.40 : x
  2. Step 2: Convert to fraction form
    173,620.20/259,739.10 = 150,503.40/x
  3. Step 3: Cross multiply
    173,620.20x = 259,739.10 × 150,503.40
  4. Step 4: Simplify right side
    173,620.20x = 39,091,617,662.94
  5. Step 5: Solve for x
    x = 39,091,617,662.94/173,620.20
  6. Step 6: Final answer
    x = 225,155.93

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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.