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Finding the Fourth Proportional to 106,056.70, 159,081.39 and 27,171.70

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Solution

The fourth proportional to 106,056.70, 159,081.39 and 27,171.70 is: 40,756.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,056.70 : 159,081.39 = 27,171.70 : x
  2. Step 2: Convert to fraction form
    106,056.70/159,081.39 = 27,171.70/x
  3. Step 3: Cross multiply
    106,056.70x = 159,081.39 × 27,171.70
  4. Step 4: Simplify right side
    106,056.70x = 4,322,511,804.66
  5. Step 5: Solve for x
    x = 4,322,511,804.66/106,056.70
  6. Step 6: Final answer
    x = 40,756.61

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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.