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Finding the Fourth Proportional to 173,171.70, 259,757.55 and 157,425.30

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Solution

The fourth proportional to 173,171.70, 259,757.55 and 157,425.30 is: 236,137.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,171.70 : 259,757.55 = 157,425.30 : x
  2. Step 2: Convert to fraction form
    173,171.70/259,757.55 = 157,425.30/x
  3. Step 3: Cross multiply
    173,171.70x = 259,757.55 × 157,425.30
  4. Step 4: Simplify right side
    173,171.70x = 40,892,410,236.02
  5. Step 5: Solve for x
    x = 40,892,410,236.02/173,171.70
  6. Step 6: Final answer
    x = 236,137.95

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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.