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Finding the Fourth Proportional to 173,270.10, 259,905.15 and 106,493.70

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Solution

The fourth proportional to 173,270.10, 259,905.15 and 106,493.70 is: 159,740.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,270.10 : 259,905.15 = 106,493.70 : x
  2. Step 2: Convert to fraction form
    173,270.10/259,905.15 = 106,493.70/x
  3. Step 3: Cross multiply
    173,270.10x = 259,905.15 × 106,493.70
  4. Step 4: Simplify right side
    173,270.10x = 27,678,261,072.56
  5. Step 5: Solve for x
    x = 27,678,261,072.56/173,270.10
  6. Step 6: Final answer
    x = 159,740.55

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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.